20396844

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1063}}^1$

素因数の和:1127

約数の個数: 72

約数和(自身を含む): 56932512

約数和(自身を除く): 36535668

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 41, 52, 78, 82, 117, 123, 156, 164, 234, 246, 369, 468, 492, 533, 738, 1063, 1066, 1476, 1599, 2126, 2132, 3189, 3198, 4252, 4797, 6378, 6396, 9567, 9594, 12756, 13819, 19134, 19188, 27638, 38268, 41457, 43583, 55276, 82914, 87166, 124371, 130749, 165828, 174332, 248742, 261498, 392247, 497484, 522996, 566579, 784494, 1133158, 1568988, 1699737, 2266316, 3399474, 5099211, 6798948, 10198422, 20396844]

約数ペア:

[(1, 20396844), (2, 10198422), (3, 6798948), (4, 5099211), (6, 3399474), (9, 2266316), (12, 1699737), (13, 1568988), (18, 1133158), (26, 784494), (36, 566579), (39, 522996), (41, 497484), (52, 392247), (78, 261498), (82, 248742), (117, 174332), (123, 165828), (156, 130749), (164, 124371), (234, 87166), (246, 82914), (369, 55276), (468, 43583), (492, 41457), (533, 38268), (738, 27638), (1063, 19188), (1066, 19134), (1476, 13819), (1599, 12756), (2126, 9594), (2132, 9567), (3189, 6396), (3198, 6378), (4252, 4797)]