20922010

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{15971}}^1$

素因数の和:16109

約数の個数: 16

約数和(自身を含む): 37949472

約数和(自身を除く): 17027462

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 15971, 31942, 79855, 159710, 2092201, 4184402, 10461005, 20922010]

約数ペア:

[(1, 20922010), (2, 10461005), (5, 4184402), (10, 2092201), (131, 159710), (262, 79855), (655, 31942), (1310, 15971)]