20120782490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87481663}}^1$

素因数の和:87481693

約数の個数: 16

約数和(自身を含む): 37792078848

約数和(自身を除く): 17671296358

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 87481663, 174963326, 437408315, 874816630, 2012078249, 4024156498, 10060391245, 20120782490]

約数ペア:

[(1, 20120782490), (2, 10060391245), (5, 4024156498), (10, 2012078249), (23, 874816630), (46, 437408315), (115, 174963326), (230, 87481663)]