20695125

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 39087360

約数和(自身を除く): 18392235

約数列:

[1, 3, 5, 11, 15, 25, 29, 33, 55, 75, 87, 125, 145, 165, 173, 275, 319, 375, 435, 519, 725, 825, 865, 957, 1375, 1595, 1903, 2175, 2595, 3625, 4125, 4325, 4785, 5017, 5709, 7975, 9515, 10875, 12975, 15051, 21625, 23925, 25085, 28545, 39875, 47575, 55187, 64875, 75255, 119625, 125425, 142725, 165561, 237875, 275935, 376275, 627125, 713625, 827805, 1379675, 1881375, 4139025, 6898375, 20695125]

約数ペア:

[(1, 20695125), (3, 6898375), (5, 4139025), (11, 1881375), (15, 1379675), (25, 827805), (29, 713625), (33, 627125), (55, 376275), (75, 275935), (87, 237875), (125, 165561), (145, 142725), (165, 125425), (173, 119625), (275, 75255), (319, 64875), (375, 55187), (435, 47575), (519, 39875), (725, 28545), (825, 25085), (865, 23925), (957, 21625), (1375, 15051), (1595, 12975), (1903, 10875), (2175, 9515), (2595, 7975), (3625, 5709), (4125, 5017), (4325, 4785)]