20120367478

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1621}}^1\times {\mathrm{3251}}^1$

素因数の和:4980

約数の個数: 32

約数和(自身を含む): 31901651712

約数和(自身を除く): 11781284234

約数列:

[1, 2, 23, 46, 83, 166, 1621, 1909, 3242, 3251, 3818, 6502, 37283, 74566, 74773, 134543, 149546, 269086, 269833, 539666, 3094489, 5269871, 6188978, 6206159, 10539742, 12412318, 121207033, 242414066, 437399293, 874798586, 10060183739, 20120367478]

約数ペア:

[(1, 20120367478), (2, 10060183739), (23, 874798586), (46, 437399293), (83, 242414066), (166, 121207033), (1621, 12412318), (1909, 10539742), (3242, 6206159), (3251, 6188978), (3818, 5269871), (6502, 3094489), (37283, 539666), (74566, 269833), (74773, 269086), (134543, 149546)]