20197526830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{898067}}^1$

素因数の和:898260

約数の個数: 32

約数和(自身を含む): 39378485664

約数和(自身を除く): 19180958834

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 173, 346, 865, 1730, 2249, 4498, 11245, 22490, 898067, 1796134, 4490335, 8980670, 11674871, 23349742, 58374355, 116748710, 155365591, 310731182, 776827955, 1553655910, 2019752683, 4039505366, 10098763415, 20197526830]

約数ペア:

[(1, 20197526830), (2, 10098763415), (5, 4039505366), (10, 2019752683), (13, 1553655910), (26, 776827955), (65, 310731182), (130, 155365591), (173, 116748710), (346, 58374355), (865, 23349742), (1730, 11674871), (2249, 8980670), (4498, 4490335), (11245, 1796134), (22490, 898067)]