20536408

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 23009192

約数列:

[1, 2, 4, 8, 17, 29, 34, 41, 58, 68, 82, 116, 127, 136, 164, 232, 254, 328, 493, 508, 697, 986, 1016, 1189, 1394, 1972, 2159, 2378, 2788, 3683, 3944, 4318, 4756, 5207, 5576, 7366, 8636, 9512, 10414, 14732, 17272, 20213, 20828, 29464, 40426, 41656, 62611, 80852, 88519, 125222, 151003, 161704, 177038, 250444, 302006, 354076, 500888, 604012, 708152, 1208024, 2567051, 5134102, 10268204, 20536408]

約数ペア:

[(1, 20536408), (2, 10268204), (4, 5134102), (8, 2567051), (17, 1208024), (29, 708152), (34, 604012), (41, 500888), (58, 354076), (68, 302006), (82, 250444), (116, 177038), (127, 161704), (136, 151003), (164, 125222), (232, 88519), (254, 80852), (328, 62611), (493, 41656), (508, 40426), (697, 29464), (986, 20828), (1016, 20213), (1189, 17272), (1394, 14732), (1972, 10414), (2159, 9512), (2378, 8636), (2788, 7366), (3683, 5576), (3944, 5207), (4318, 4756)]