20734416

素因数分解:

$2^4\times 3^2\times {\mathrm{109}}^1\times {\mathrm{1321}}^1$

素因数の和:1444

約数の個数: 60

約数和(自身を含む): 58604260

約数和(自身を除く): 37869844

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 109, 144, 218, 327, 436, 654, 872, 981, 1308, 1321, 1744, 1962, 2616, 2642, 3924, 3963, 5232, 5284, 7848, 7926, 10568, 11889, 15696, 15852, 21136, 23778, 31704, 47556, 63408, 95112, 143989, 190224, 287978, 431967, 575956, 863934, 1151912, 1295901, 1727868, 2303824, 2591802, 3455736, 5183604, 6911472, 10367208, 20734416]

約数ペア:

[(1, 20734416), (2, 10367208), (3, 6911472), (4, 5183604), (6, 3455736), (8, 2591802), (9, 2303824), (12, 1727868), (16, 1295901), (18, 1151912), (24, 863934), (36, 575956), (48, 431967), (72, 287978), (109, 190224), (144, 143989), (218, 95112), (327, 63408), (436, 47556), (654, 31704), (872, 23778), (981, 21136), (1308, 15852), (1321, 15696), (1744, 11889), (1962, 10568), (2616, 7926), (2642, 7848), (3924, 5284), (3963, 5232)]