20154456

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{39989}}^1$

素因数の和:40008

約数の個数: 48

約数和(自身を含む): 62384400

約数和(自身を除く): 42229944

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 39989, 79978, 119967, 159956, 239934, 279923, 319912, 359901, 479868, 559846, 719802, 839769, 959736, 1119692, 1439604, 1679538, 2239384, 2519307, 2879208, 3359076, 5038614, 6718152, 10077228, 20154456]

約数ペア:

[(1, 20154456), (2, 10077228), (3, 6718152), (4, 5038614), (6, 3359076), (7, 2879208), (8, 2519307), (9, 2239384), (12, 1679538), (14, 1439604), (18, 1119692), (21, 959736), (24, 839769), (28, 719802), (36, 559846), (42, 479868), (56, 359901), (63, 319912), (72, 279923), (84, 239934), (126, 159956), (168, 119967), (252, 79978), (504, 39989)]