20196540

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:178

約数の個数: 240

約数和(自身を含む): 78547392

約数和(自身を除く): 58350852

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 81, 84, 90, 91, 105, 108, 117, 126, 130, 135, 137, 140, 156, 162, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 274, 315, 324, 351, 364, 378, 390, 405, 411, 420, 455, 468, 540, 546, 548, 567, 585, 630, 685, 702, 756, 780, 810, 819, 822, 910, 945, 959, 1053, 1092, 1134, 1170, 1233, 1260, 1365, 1370, 1404, 1620, 1638, 1644, 1755, 1781, 1820, 1890, 1918, 2055, 2106, 2268, 2340, 2457, 2466, 2730, 2740, 2835, 2877, 3276, 3510, 3562, 3699, 3780, 3836, 4095, 4110, 4212, 4795, 4914, 4932, 5265, 5343, 5460, 5670, 5754, 6165, 7020, 7124, 7371, 7398, 8190, 8220, 8631, 8905, 9590, 9828, 10530, 10686, 11097, 11340, 11508, 12285, 12330, 12467, 14385, 14742, 14796, 16029, 16380, 17262, 17810, 18495, 19180, 21060, 21372, 22194, 24570, 24660, 24934, 25893, 26715, 28770, 29484, 32058, 34524, 35620, 36855, 36990, 37401, 43155, 44388, 48087, 49140, 49868, 51786, 53430, 55485, 57540, 62335, 64116, 73710, 73980, 74802, 77679, 80145, 86310, 96174, 103572, 106860, 110970, 112203, 124670, 129465, 144261, 147420, 149604, 155358, 160290, 172620, 187005, 192348, 221940, 224406, 240435, 249340, 258930, 288522, 310716, 320580, 336609, 374010, 388395, 448812, 480870, 517860, 561015, 577044, 673218, 721305, 748020, 776790, 961740, 1009827, 1122030, 1346436, 1442610, 1553580, 1683045, 2019654, 2244060, 2885220, 3366090, 4039308, 5049135, 6732180, 10098270, 20196540]

約数ペア:

[(1, 20196540), (2, 10098270), (3, 6732180), (4, 5049135), (5, 4039308), (6, 3366090), (7, 2885220), (9, 2244060), (10, 2019654), (12, 1683045), (13, 1553580), (14, 1442610), (15, 1346436), (18, 1122030), (20, 1009827), (21, 961740), (26, 776790), (27, 748020), (28, 721305), (30, 673218), (35, 577044), (36, 561015), (39, 517860), (42, 480870), (45, 448812), (52, 388395), (54, 374010), (60, 336609), (63, 320580), (65, 310716), (70, 288522), (78, 258930), (81, 249340), (84, 240435), (90, 224406), (91, 221940), (105, 192348), (108, 187005), (117, 172620), (126, 160290), (130, 155358), (135, 149604), (137, 147420), (140, 144261), (156, 129465), (162, 124670), (180, 112203), (182, 110970), (189, 106860), (195, 103572), (210, 96174), (234, 86310), (252, 80145), (260, 77679), (270, 74802), (273, 73980), (274, 73710), (315, 64116), (324, 62335), (351, 57540), (364, 55485), (378, 53430), (390, 51786), (405, 49868), (411, 49140), (420, 48087), (455, 44388), (468, 43155), (540, 37401), (546, 36990), (548, 36855), (567, 35620), (585, 34524), (630, 32058), (685, 29484), (702, 28770), (756, 26715), (780, 25893), (810, 24934), (819, 24660), (822, 24570), (910, 22194), (945, 21372), (959, 21060), (1053, 19180), (1092, 18495), (1134, 17810), (1170, 17262), (1233, 16380), (1260, 16029), (1365, 14796), (1370, 14742), (1404, 14385), (1620, 12467), (1638, 12330), (1644, 12285), (1755, 11508), (1781, 11340), (1820, 11097), (1890, 10686), (1918, 10530), (2055, 9828), (2106, 9590), (2268, 8905), (2340, 8631), (2457, 8220), (2466, 8190), (2730, 7398), (2740, 7371), (2835, 7124), (2877, 7020), (3276, 6165), (3510, 5754), (3562, 5670), (3699, 5460), (3780, 5343), (3836, 5265), (4095, 4932), (4110, 4914), (4212, 4795)]