20107712

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:229

約数の個数: 56

約数和(自身を含む): 41818560

約数和(自身を除く): 21710848

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 79, 82, 97, 158, 164, 194, 316, 328, 388, 632, 656, 776, 1264, 1312, 1552, 2528, 2624, 3104, 3239, 3977, 5056, 6208, 6478, 7663, 7954, 12956, 15326, 15908, 25912, 30652, 31816, 51824, 61304, 63632, 103648, 122608, 127264, 207296, 245216, 254528, 314183, 490432, 628366, 1256732, 2513464, 5026928, 10053856, 20107712]

約数ペア:

[(1, 20107712), (2, 10053856), (4, 5026928), (8, 2513464), (16, 1256732), (32, 628366), (41, 490432), (64, 314183), (79, 254528), (82, 245216), (97, 207296), (158, 127264), (164, 122608), (194, 103648), (316, 63632), (328, 61304), (388, 51824), (632, 31816), (656, 30652), (776, 25912), (1264, 15908), (1312, 15326), (1552, 12956), (2528, 7954), (2624, 7663), (3104, 6478), (3239, 6208), (3977, 5056)]