19669960

素因数分解:

$2^3\times 5^1\times {\mathrm{617}}^1\times {\mathrm{797}}^1$

素因数の和:1425

約数の個数: 32

約数和(自身を含む): 44384760

約数和(自身を除く): 24714800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 617, 797, 1234, 1594, 2468, 3085, 3188, 3985, 4936, 6170, 6376, 7970, 12340, 15940, 24680, 31880, 491749, 983498, 1966996, 2458745, 3933992, 4917490, 9834980, 19669960]

約数ペア:

[(1, 19669960), (2, 9834980), (4, 4917490), (5, 3933992), (8, 2458745), (10, 1966996), (20, 983498), (40, 491749), (617, 31880), (797, 24680), (1234, 15940), (1594, 12340), (2468, 7970), (3085, 6376), (3188, 6170), (3985, 4936)]