20609110

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3499}}^1$

素因数の和:3556

約数の個数: 32

約数和(自身を含む): 40320000

約数和(自身を除く): 19710890

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 3499, 5890, 6998, 17495, 34990, 66481, 108469, 132962, 216938, 332405, 542345, 664810, 1084690, 2060911, 4121822, 10304555, 20609110]

約数ペア:

[(1, 20609110), (2, 10304555), (5, 4121822), (10, 2060911), (19, 1084690), (31, 664810), (38, 542345), (62, 332405), (95, 216938), (155, 132962), (190, 108469), (310, 66481), (589, 34990), (1178, 17495), (2945, 6998), (3499, 5890)]