20121528514

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{2131}}^1\times {\mathrm{30071}}^1$

素因数の和:32361

約数の個数: 16

約数和(自身を含む): 30389800896

約数和(自身を除く): 10268272382

約数列:

[1, 2, 157, 314, 2131, 4262, 30071, 60142, 334567, 669134, 4721147, 9442294, 64081301, 128162602, 10060764257, 20121528514]

約数ペア:

[(1, 20121528514), (2, 10060764257), (157, 128162602), (314, 64081301), (2131, 9442294), (4262, 4721147), (30071, 669134), (60142, 334567)]