20165950987

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1\times {\mathrm{21059}}^1$

素因数の和:21715

約数の個数: 32

約数和(自身を含む): 26323315200

約数和(自身を除く): 6157364213

約数列:

[1, 7, 13, 17, 91, 119, 221, 619, 1547, 4333, 8047, 10523, 21059, 56329, 73661, 136799, 147413, 273767, 358003, 957593, 1916369, 2506021, 4654039, 13035521, 32578273, 91248647, 169461773, 221603857, 1186232411, 1551226999, 2880850141, 20165950987]

約数ペア:

[(1, 20165950987), (7, 2880850141), (13, 1551226999), (17, 1186232411), (91, 221603857), (119, 169461773), (221, 91248647), (619, 32578273), (1547, 13035521), (4333, 4654039), (8047, 2506021), (10523, 1916369), (21059, 957593), (56329, 358003), (73661, 273767), (136799, 147413)]