20121033616

素因数分解:

$2^4\times {\mathrm{3917}}^1\times {\mathrm{321053}}^1$

素因数の和:324978

約数の個数: 20

約数和(自身を含む): 38994576732

約数和(自身を除く): 18873543116

約数列:

[1, 2, 4, 8, 16, 3917, 7834, 15668, 31336, 62672, 321053, 642106, 1284212, 2568424, 5136848, 1257564601, 2515129202, 5030258404, 10060516808, 20121033616]

約数ペア:

[(1, 20121033616), (2, 10060516808), (4, 5030258404), (8, 2515129202), (16, 1257564601), (3917, 5136848), (7834, 2568424), (15668, 1284212), (31336, 642106), (62672, 321053)]