20281740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17791}}^1$

素因数の和:17822

約数の個数: 48

約数和(自身を含む): 59781120

約数和(自身を除く): 39499380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 17791, 35582, 53373, 71164, 88955, 106746, 177910, 213492, 266865, 338029, 355820, 533730, 676058, 1014087, 1067460, 1352116, 1690145, 2028174, 3380290, 4056348, 5070435, 6760580, 10140870, 20281740]

約数ペア:

[(1, 20281740), (2, 10140870), (3, 6760580), (4, 5070435), (5, 4056348), (6, 3380290), (10, 2028174), (12, 1690145), (15, 1352116), (19, 1067460), (20, 1014087), (30, 676058), (38, 533730), (57, 355820), (60, 338029), (76, 266865), (95, 213492), (114, 177910), (190, 106746), (228, 88955), (285, 71164), (380, 53373), (570, 35582), (1140, 17791)]