20112478840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16219741}}^1$

素因数の和:16219783

約数の個数: 32

約数和(自身を含む): 46712856960

約数和(自身を除く): 26600378120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 16219741, 32439482, 64878964, 81098705, 129757928, 162197410, 324394820, 502811971, 648789640, 1005623942, 2011247884, 2514059855, 4022495768, 5028119710, 10056239420, 20112478840]

約数ペア:

[(1, 20112478840), (2, 10056239420), (4, 5028119710), (5, 4022495768), (8, 2514059855), (10, 2011247884), (20, 1005623942), (31, 648789640), (40, 502811971), (62, 324394820), (124, 162197410), (155, 129757928), (248, 81098705), (310, 64878964), (620, 32439482), (1240, 16219741)]