19960668

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{677}}^1$

素因数の和:713

約数の個数: 120

約数和(自身を含む): 64317792

約数和(自身を除く): 44357124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 81, 84, 91, 108, 117, 126, 156, 162, 182, 189, 234, 252, 273, 324, 351, 364, 378, 468, 546, 567, 677, 702, 756, 819, 1053, 1092, 1134, 1354, 1404, 1638, 2031, 2106, 2268, 2457, 2708, 3276, 4062, 4212, 4739, 4914, 6093, 7371, 8124, 8801, 9478, 9828, 12186, 14217, 14742, 17602, 18279, 18956, 24372, 26403, 28434, 29484, 35204, 36558, 42651, 52806, 54837, 56868, 61607, 73116, 79209, 85302, 105612, 109674, 123214, 127953, 158418, 170604, 184821, 219348, 237627, 246428, 255906, 316836, 369642, 383859, 475254, 511812, 554463, 712881, 739284, 767718, 950508, 1108926, 1425762, 1535436, 1663389, 2217852, 2851524, 3326778, 4990167, 6653556, 9980334, 19960668]

約数ペア:

[(1, 19960668), (2, 9980334), (3, 6653556), (4, 4990167), (6, 3326778), (7, 2851524), (9, 2217852), (12, 1663389), (13, 1535436), (14, 1425762), (18, 1108926), (21, 950508), (26, 767718), (27, 739284), (28, 712881), (36, 554463), (39, 511812), (42, 475254), (52, 383859), (54, 369642), (63, 316836), (78, 255906), (81, 246428), (84, 237627), (91, 219348), (108, 184821), (117, 170604), (126, 158418), (156, 127953), (162, 123214), (182, 109674), (189, 105612), (234, 85302), (252, 79209), (273, 73116), (324, 61607), (351, 56868), (364, 54837), (378, 52806), (468, 42651), (546, 36558), (567, 35204), (677, 29484), (702, 28434), (756, 26403), (819, 24372), (1053, 18956), (1092, 18279), (1134, 17602), (1354, 14742), (1404, 14217), (1638, 12186), (2031, 9828), (2106, 9478), (2268, 8801), (2457, 8124), (2708, 7371), (3276, 6093), (4062, 4914), (4212, 4739)]