20171635

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 28224000

約数和(自身を除く): 8052365

約数列:

[1, 5, 11, 19, 55, 95, 97, 199, 209, 485, 995, 1045, 1067, 1843, 2189, 3781, 5335, 9215, 10945, 18905, 19303, 20273, 41591, 96515, 101365, 207955, 212333, 366757, 1061665, 1833785, 4034327, 20171635]

約数ペア:

[(1, 20171635), (5, 4034327), (11, 1833785), (19, 1061665), (55, 366757), (95, 212333), (97, 207955), (199, 101365), (209, 96515), (485, 41591), (995, 20273), (1045, 19303), (1067, 18905), (1843, 10945), (2189, 9215), (3781, 5335)]