20170893878

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1\times {\mathrm{21277}}^1$

素因数の和:21896

約数の個数: 32

約数和(自身を含む): 32484867264

約数和(自身を除く): 12313973386

約数列:

[1, 2, 23, 37, 46, 74, 557, 851, 1114, 1702, 12811, 20609, 21277, 25622, 41218, 42554, 474007, 489371, 787249, 948014, 978742, 1574498, 11851289, 18106727, 23702578, 36213454, 272579647, 438497693, 545159294, 876995386, 10085446939, 20170893878]

約数ペア:

[(1, 20170893878), (2, 10085446939), (23, 876995386), (37, 545159294), (46, 438497693), (74, 272579647), (557, 36213454), (851, 23702578), (1114, 18106727), (1702, 11851289), (12811, 1574498), (20609, 978742), (21277, 948014), (25622, 787249), (41218, 489371), (42554, 474007)]