20064840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{617}}^1$

素因数の和:902

約数の個数: 64

約数和(自身を含む): 60514560

約数和(自身を除く): 40449720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 271, 542, 617, 813, 1084, 1234, 1355, 1626, 1851, 2168, 2468, 2710, 3085, 3252, 3702, 4065, 4936, 5420, 6170, 6504, 7404, 8130, 9255, 10840, 12340, 14808, 16260, 18510, 24680, 32520, 37020, 74040, 167207, 334414, 501621, 668828, 836035, 1003242, 1337656, 1672070, 2006484, 2508105, 3344140, 4012968, 5016210, 6688280, 10032420, 20064840]

約数ペア:

[(1, 20064840), (2, 10032420), (3, 6688280), (4, 5016210), (5, 4012968), (6, 3344140), (8, 2508105), (10, 2006484), (12, 1672070), (15, 1337656), (20, 1003242), (24, 836035), (30, 668828), (40, 501621), (60, 334414), (120, 167207), (271, 74040), (542, 37020), (617, 32520), (813, 24680), (1084, 18510), (1234, 16260), (1355, 14808), (1626, 12340), (1851, 10840), (2168, 9255), (2468, 8130), (2710, 7404), (3085, 6504), (3252, 6170), (3702, 5420), (4065, 4936)]