20543590

素因数分解:

$2^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{8971}}^1$

素因数の和:9207

約数の個数: 16

約数和(自身を含む): 37144080

約数和(自身を除く): 16600490

約数列:

[1, 2, 5, 10, 229, 458, 1145, 2290, 8971, 17942, 44855, 89710, 2054359, 4108718, 10271795, 20543590]

約数ペア:

[(1, 20543590), (2, 10271795), (5, 4108718), (10, 2054359), (229, 89710), (458, 44855), (1145, 17942), (2290, 8971)]