20077575

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{229}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 38330880

約数和(自身を除く): 18253305

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 167, 175, 229, 501, 525, 687, 835, 1145, 1169, 1603, 2505, 3435, 3507, 4175, 4809, 5725, 5845, 8015, 12525, 17175, 17535, 24045, 29225, 38243, 40075, 87675, 114729, 120225, 191215, 267701, 573645, 803103, 956075, 1338505, 2868225, 4015515, 6692525, 20077575]

約数ペア:

[(1, 20077575), (3, 6692525), (5, 4015515), (7, 2868225), (15, 1338505), (21, 956075), (25, 803103), (35, 573645), (75, 267701), (105, 191215), (167, 120225), (175, 114729), (229, 87675), (501, 40075), (525, 38243), (687, 29225), (835, 24045), (1145, 17535), (1169, 17175), (1603, 12525), (2505, 8015), (3435, 5845), (3507, 5725), (4175, 4809)]