20224720

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1049}}^1$

素因数の和:1303

約数の個数: 40

約数和(自身を含む): 47262600

約数和(自身を除く): 27037880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1049, 1205, 1928, 2098, 2410, 3856, 4196, 4820, 5245, 8392, 9640, 10490, 16784, 19280, 20980, 41960, 83920, 252809, 505618, 1011236, 1264045, 2022472, 2528090, 4044944, 5056180, 10112360, 20224720]

約数ペア:

[(1, 20224720), (2, 10112360), (4, 5056180), (5, 4044944), (8, 2528090), (10, 2022472), (16, 1264045), (20, 1011236), (40, 505618), (80, 252809), (241, 83920), (482, 41960), (964, 20980), (1049, 19280), (1205, 16784), (1928, 10490), (2098, 9640), (2410, 8392), (3856, 5245), (4196, 4820)]