20883712

素因数分解:

$2^8\times {\mathrm{29}}^2\times {\mathrm{97}}^1$

素因数の和:171

約数の個数: 54

約数和(自身を含む): 43617938

約数和(自身を除く): 22734226

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 97, 116, 128, 194, 232, 256, 388, 464, 776, 841, 928, 1552, 1682, 1856, 2813, 3104, 3364, 3712, 5626, 6208, 6728, 7424, 11252, 12416, 13456, 22504, 24832, 26912, 45008, 53824, 81577, 90016, 107648, 163154, 180032, 215296, 326308, 360064, 652616, 720128, 1305232, 2610464, 5220928, 10441856, 20883712]

約数ペア:

[(1, 20883712), (2, 10441856), (4, 5220928), (8, 2610464), (16, 1305232), (29, 720128), (32, 652616), (58, 360064), (64, 326308), (97, 215296), (116, 180032), (128, 163154), (194, 107648), (232, 90016), (256, 81577), (388, 53824), (464, 45008), (776, 26912), (841, 24832), (928, 22504), (1552, 13456), (1682, 12416), (1856, 11252), (2813, 7424), (3104, 6728), (3364, 6208), (3712, 5626)]