20384910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:183

約数の個数: 192

約数和(自身を含む): 69189120

約数和(自身を除く): 48804210

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 19, 21, 26, 30, 35, 38, 39, 42, 45, 57, 63, 65, 70, 78, 90, 91, 95, 105, 114, 117, 126, 130, 131, 133, 171, 182, 190, 195, 210, 234, 247, 262, 266, 273, 285, 315, 342, 390, 393, 399, 455, 494, 546, 570, 585, 630, 655, 665, 741, 786, 798, 819, 855, 910, 917, 1170, 1179, 1197, 1235, 1310, 1330, 1365, 1482, 1638, 1703, 1710, 1729, 1834, 1965, 1995, 2223, 2358, 2394, 2470, 2489, 2730, 2751, 3406, 3458, 3705, 3930, 3990, 4095, 4446, 4585, 4978, 5109, 5187, 5502, 5895, 5985, 7410, 7467, 8190, 8253, 8515, 8645, 9170, 10218, 10374, 11115, 11790, 11921, 11970, 12445, 13755, 14934, 15327, 15561, 16506, 17030, 17290, 17423, 22230, 22401, 23842, 24890, 25545, 25935, 27510, 30654, 31122, 32357, 34846, 35763, 37335, 41265, 44802, 51090, 51870, 52269, 59605, 64714, 71526, 74670, 76635, 77805, 82530, 87115, 97071, 104538, 107289, 112005, 119210, 153270, 155610, 156807, 161785, 174230, 178815, 194142, 214578, 224010, 226499, 261345, 291213, 313614, 323570, 357630, 452998, 485355, 522690, 536445, 582426, 679497, 784035, 970710, 1072890, 1132495, 1358994, 1456065, 1568070, 2038491, 2264990, 2912130, 3397485, 4076982, 6794970, 10192455, 20384910]

約数ペア:

[(1, 20384910), (2, 10192455), (3, 6794970), (5, 4076982), (6, 3397485), (7, 2912130), (9, 2264990), (10, 2038491), (13, 1568070), (14, 1456065), (15, 1358994), (18, 1132495), (19, 1072890), (21, 970710), (26, 784035), (30, 679497), (35, 582426), (38, 536445), (39, 522690), (42, 485355), (45, 452998), (57, 357630), (63, 323570), (65, 313614), (70, 291213), (78, 261345), (90, 226499), (91, 224010), (95, 214578), (105, 194142), (114, 178815), (117, 174230), (126, 161785), (130, 156807), (131, 155610), (133, 153270), (171, 119210), (182, 112005), (190, 107289), (195, 104538), (210, 97071), (234, 87115), (247, 82530), (262, 77805), (266, 76635), (273, 74670), (285, 71526), (315, 64714), (342, 59605), (390, 52269), (393, 51870), (399, 51090), (455, 44802), (494, 41265), (546, 37335), (570, 35763), (585, 34846), (630, 32357), (655, 31122), (665, 30654), (741, 27510), (786, 25935), (798, 25545), (819, 24890), (855, 23842), (910, 22401), (917, 22230), (1170, 17423), (1179, 17290), (1197, 17030), (1235, 16506), (1310, 15561), (1330, 15327), (1365, 14934), (1482, 13755), (1638, 12445), (1703, 11970), (1710, 11921), (1729, 11790), (1834, 11115), (1965, 10374), (1995, 10218), (2223, 9170), (2358, 8645), (2394, 8515), (2470, 8253), (2489, 8190), (2730, 7467), (2751, 7410), (3406, 5985), (3458, 5895), (3705, 5502), (3930, 5187), (3990, 5109), (4095, 4978), (4446, 4585)]