20499408

素因数分解:

$2^4\times 3^2\times {\mathrm{142357}}^1$

素因数の和:142371

約数の個数: 30

約数和(自身を含む): 57370274

約数和(自身を除く): 36870866

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 142357, 284714, 427071, 569428, 854142, 1138856, 1281213, 1708284, 2277712, 2562426, 3416568, 5124852, 6833136, 10249704, 20499408]

約数ペア:

[(1, 20499408), (2, 10249704), (3, 6833136), (4, 5124852), (6, 3416568), (8, 2562426), (9, 2277712), (12, 1708284), (16, 1281213), (18, 1138856), (24, 854142), (36, 569428), (48, 427071), (72, 284714), (144, 142357)]