20185460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59369}}^1$

素因数の和:59395

約数の個数: 24

約数和(自身を含む): 44883720

約数和(自身を除く): 24698260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 59369, 118738, 237476, 296845, 593690, 1009273, 1187380, 2018546, 4037092, 5046365, 10092730, 20185460]

約数ペア:

[(1, 20185460), (2, 10092730), (4, 5046365), (5, 4037092), (10, 2018546), (17, 1187380), (20, 1009273), (34, 593690), (68, 296845), (85, 237476), (170, 118738), (340, 59369)]