15705120020

素因数分解:

$2^2\times 5^1\times {\mathrm{51047}}^1\times {\mathrm{15383}}^1$

素因数の和:66439

約数の個数: 24

約数和(自身を含む): 32983542144

約数和(自身を除く): 17278422124

約数列:

[1, 2, 4, 5, 10, 20, 15383, 30766, 51047, 61532, 76915, 102094, 153830, 204188, 255235, 307660, 510470, 1020940, 785256001, 1570512002, 3141024004, 3926280005, 7852560010, 15705120020]

約数ペア:

[(1, 15705120020), (2, 7852560010), (4, 3926280005), (5, 3141024004), (10, 1570512002), (20, 785256001), (15383, 1020940), (30766, 510470), (51047, 307660), (61532, 255235), (76915, 204188), (102094, 153830)]