20165585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 27993600

約数和(自身を除く): 7828015

約数列:

[1, 5, 11, 29, 47, 55, 145, 235, 269, 319, 517, 1345, 1363, 1595, 2585, 2959, 6815, 7801, 12643, 14795, 14993, 39005, 63215, 74965, 85811, 139073, 366647, 429055, 695365, 1833235, 4033117, 20165585]

約数ペア:

[(1, 20165585), (5, 4033117), (11, 1833235), (29, 695365), (47, 429055), (55, 366647), (145, 139073), (235, 85811), (269, 74965), (319, 63215), (517, 39005), (1345, 14993), (1363, 14795), (1595, 12643), (2585, 7801), (2959, 6815)]