20171979529

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{20399}}^1$

素因数の和:20545

約数の個数: 32

約数和(自身を含む): 23373504000

約数和(自身を除く): 3201524471

約数列:

[1, 13, 29, 43, 61, 377, 559, 793, 1247, 1769, 2623, 16211, 20399, 22997, 34099, 76067, 265187, 591571, 877157, 988871, 1244339, 7690423, 11403041, 16176407, 25437553, 36085831, 53506577, 330688189, 469115803, 695585501, 1551690733, 20171979529]

約数ペア:

[(1, 20171979529), (13, 1551690733), (29, 695585501), (43, 469115803), (61, 330688189), (377, 53506577), (559, 36085831), (793, 25437553), (1247, 16176407), (1769, 11403041), (2623, 7690423), (16211, 1244339), (20399, 988871), (22997, 877157), (34099, 591571), (76067, 265187)]