20375792

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3257}}^1$

素因数の和:3305

約数の個数: 40

約数和(自身を含む): 43631136

約数和(自身を除く): 23255344

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 272, 368, 391, 782, 1564, 3128, 3257, 6256, 6514, 13028, 26056, 52112, 55369, 74911, 110738, 149822, 221476, 299644, 442952, 599288, 885904, 1198576, 1273487, 2546974, 5093948, 10187896, 20375792]

約数ペア:

[(1, 20375792), (2, 10187896), (4, 5093948), (8, 2546974), (16, 1273487), (17, 1198576), (23, 885904), (34, 599288), (46, 442952), (68, 299644), (92, 221476), (136, 149822), (184, 110738), (272, 74911), (368, 55369), (391, 52112), (782, 26056), (1564, 13028), (3128, 6514), (3257, 6256)]