23420380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 50982624

約数和(自身を除く): 27562244

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 113, 172, 215, 226, 241, 430, 452, 482, 565, 860, 964, 1130, 1205, 2260, 2410, 4820, 4859, 9718, 10363, 19436, 20726, 24295, 27233, 41452, 48590, 51815, 54466, 97180, 103630, 108932, 136165, 207260, 272330, 544660, 1171019, 2342038, 4684076, 5855095, 11710190, 23420380]

約数ペア:

[(1, 23420380), (2, 11710190), (4, 5855095), (5, 4684076), (10, 2342038), (20, 1171019), (43, 544660), (86, 272330), (113, 207260), (172, 136165), (215, 108932), (226, 103630), (241, 97180), (430, 54466), (452, 51815), (482, 48590), (565, 41452), (860, 27233), (964, 24295), (1130, 20726), (1205, 19436), (2260, 10363), (2410, 9718), (4820, 4859)]