20120991996

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{239535619}}^1$

素因数の和:239535633

約数の個数: 24

約数和(自身を含む): 53655978880

約数和(自身を除く): 33534986884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 239535619, 479071238, 718606857, 958142476, 1437213714, 1676749333, 2874427428, 3353498666, 5030247999, 6706997332, 10060495998, 20120991996]

約数ペア:

[(1, 20120991996), (2, 10060495998), (3, 6706997332), (4, 5030247999), (6, 3353498666), (7, 2874427428), (12, 1676749333), (14, 1437213714), (21, 958142476), (28, 718606857), (42, 479071238), (84, 239535619)]