20329736

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4079}}^1$

素因数の和:4181

約数の個数: 32

約数和(自身を含む): 44064000

約数和(自身を除く): 23734264

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 4079, 4984, 8158, 16316, 28553, 32632, 57106, 114212, 228424, 363031, 726062, 1452124, 2541217, 2904248, 5082434, 10164868, 20329736]

約数ペア:

[(1, 20329736), (2, 10164868), (4, 5082434), (7, 2904248), (8, 2541217), (14, 1452124), (28, 726062), (56, 363031), (89, 228424), (178, 114212), (356, 57106), (623, 32632), (712, 28553), (1246, 16316), (2492, 8158), (4079, 4984)]