20610970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3911}}^1$

素因数の和:3966

約数の個数: 32

約数和(自身を含む): 40559616

約数和(自身を除く): 19948646

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 155, 170, 310, 527, 1054, 2635, 3911, 5270, 7822, 19555, 39110, 66487, 121241, 132974, 242482, 332435, 606205, 664870, 1212410, 2061097, 4122194, 10305485, 20610970]

約数ペア:

[(1, 20610970), (2, 10305485), (5, 4122194), (10, 2061097), (17, 1212410), (31, 664870), (34, 606205), (62, 332435), (85, 242482), (155, 132974), (170, 121241), (310, 66487), (527, 39110), (1054, 19555), (2635, 7822), (3911, 5270)]