20419308

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:324

約数の個数: 144

約数和(自身を含む): 66533376

約数和(自身を除く): 46114068

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 23, 26, 28, 36, 39, 42, 46, 52, 63, 69, 78, 84, 91, 92, 117, 126, 138, 156, 161, 182, 207, 234, 252, 271, 273, 276, 299, 322, 364, 414, 468, 483, 542, 546, 598, 644, 813, 819, 828, 897, 966, 1084, 1092, 1196, 1449, 1626, 1638, 1794, 1897, 1932, 2093, 2439, 2691, 2898, 3252, 3276, 3523, 3588, 3794, 4186, 4878, 5382, 5691, 5796, 6233, 6279, 7046, 7588, 8372, 9756, 10569, 10764, 11382, 12466, 12558, 14092, 17073, 18699, 18837, 21138, 22764, 24661, 24932, 25116, 31707, 34146, 37398, 37674, 42276, 43631, 49322, 56097, 63414, 68292, 73983, 74796, 75348, 81029, 87262, 98644, 112194, 126828, 130893, 147966, 162058, 174524, 221949, 224388, 243087, 261786, 295932, 324116, 392679, 443898, 486174, 523572, 567203, 729261, 785358, 887796, 972348, 1134406, 1458522, 1570716, 1701609, 2268812, 2917044, 3403218, 5104827, 6806436, 10209654, 20419308]

約数ペア:

[(1, 20419308), (2, 10209654), (3, 6806436), (4, 5104827), (6, 3403218), (7, 2917044), (9, 2268812), (12, 1701609), (13, 1570716), (14, 1458522), (18, 1134406), (21, 972348), (23, 887796), (26, 785358), (28, 729261), (36, 567203), (39, 523572), (42, 486174), (46, 443898), (52, 392679), (63, 324116), (69, 295932), (78, 261786), (84, 243087), (91, 224388), (92, 221949), (117, 174524), (126, 162058), (138, 147966), (156, 130893), (161, 126828), (182, 112194), (207, 98644), (234, 87262), (252, 81029), (271, 75348), (273, 74796), (276, 73983), (299, 68292), (322, 63414), (364, 56097), (414, 49322), (468, 43631), (483, 42276), (542, 37674), (546, 37398), (598, 34146), (644, 31707), (813, 25116), (819, 24932), (828, 24661), (897, 22764), (966, 21138), (1084, 18837), (1092, 18699), (1196, 17073), (1449, 14092), (1626, 12558), (1638, 12466), (1794, 11382), (1897, 10764), (1932, 10569), (2093, 9756), (2439, 8372), (2691, 7588), (2898, 7046), (3252, 6279), (3276, 6233), (3523, 5796), (3588, 5691), (3794, 5382), (4186, 4878)]