20631472

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{751}}^1$

素因数の和:877

約数の個数: 40

約数和(自身を含む): 42800832

約数和(自身を除く): 22169360

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 101, 136, 202, 272, 404, 751, 808, 1502, 1616, 1717, 3004, 3434, 6008, 6868, 12016, 12767, 13736, 25534, 27472, 51068, 75851, 102136, 151702, 204272, 303404, 606808, 1213616, 1289467, 2578934, 5157868, 10315736, 20631472]

約数ペア:

[(1, 20631472), (2, 10315736), (4, 5157868), (8, 2578934), (16, 1289467), (17, 1213616), (34, 606808), (68, 303404), (101, 204272), (136, 151702), (202, 102136), (272, 75851), (404, 51068), (751, 27472), (808, 25534), (1502, 13736), (1616, 12767), (1717, 12016), (3004, 6868), (3434, 6008)]