20158128

素因数分解:

$2^4\times 3^2\times {\mathrm{139987}}^1$

素因数の和:140001

約数の個数: 30

約数和(自身を含む): 56415164

約数和(自身を除く): 36257036

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 139987, 279974, 419961, 559948, 839922, 1119896, 1259883, 1679844, 2239792, 2519766, 3359688, 5039532, 6719376, 10079064, 20158128]

約数ペア:

[(1, 20158128), (2, 10079064), (3, 6719376), (4, 5039532), (6, 3359688), (8, 2519766), (9, 2239792), (12, 1679844), (16, 1259883), (18, 1119896), (24, 839922), (36, 559948), (48, 419961), (72, 279974), (144, 139987)]