20740545

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{65843}}^1$

素因数の和:65861

約数の個数: 24

約数和(自身を含む): 41086656

約数和(自身を除く): 20346111

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 65843, 197529, 329215, 460901, 592587, 987645, 1382703, 2304505, 2962935, 4148109, 6913515, 20740545]

約数ペア:

[(1, 20740545), (3, 6913515), (5, 4148109), (7, 2962935), (9, 2304505), (15, 1382703), (21, 987645), (35, 592587), (45, 460901), (63, 329215), (105, 197529), (315, 65843)]