20678056

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6967}}^1$

素因数の和:7033

約数の個数: 32

約数和(自身を含む): 45152640

約数和(自身を除く): 24474584

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 6967, 13934, 27868, 48769, 55736, 97538, 195076, 369251, 390152, 738502, 1477004, 2584757, 2954008, 5169514, 10339028, 20678056]

約数ペア:

[(1, 20678056), (2, 10339028), (4, 5169514), (7, 2954008), (8, 2584757), (14, 1477004), (28, 738502), (53, 390152), (56, 369251), (106, 195076), (212, 97538), (371, 55736), (424, 48769), (742, 27868), (1484, 13934), (2968, 6967)]