20895780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6571}}^1$

素因数の和:6636

約数の個数: 48

約数和(自身を含む): 59621184

約数和(自身を除く): 38725404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 6571, 13142, 19713, 26284, 32855, 39426, 65710, 78852, 98565, 131420, 197130, 348263, 394260, 696526, 1044789, 1393052, 1741315, 2089578, 3482630, 4179156, 5223945, 6965260, 10447890, 20895780]

約数ペア:

[(1, 20895780), (2, 10447890), (3, 6965260), (4, 5223945), (5, 4179156), (6, 3482630), (10, 2089578), (12, 1741315), (15, 1393052), (20, 1044789), (30, 696526), (53, 394260), (60, 348263), (106, 197130), (159, 131420), (212, 98565), (265, 78852), (318, 65710), (530, 39426), (636, 32855), (795, 26284), (1060, 19713), (1590, 13142), (3180, 6571)]