20078295

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{457}}^1$

素因数の和:595

約数の個数: 32

約数和(自身を含む): 33635520

約数和(自身を除く): 13557225

約数列:

[1, 3, 5, 15, 29, 87, 101, 145, 303, 435, 457, 505, 1371, 1515, 2285, 2929, 6855, 8787, 13253, 14645, 39759, 43935, 46157, 66265, 138471, 198795, 230785, 692355, 1338553, 4015659, 6692765, 20078295]

約数ペア:

[(1, 20078295), (3, 6692765), (5, 4015659), (15, 1338553), (29, 692355), (87, 230785), (101, 198795), (145, 138471), (303, 66265), (435, 46157), (457, 43935), (505, 39759), (1371, 14645), (1515, 13253), (2285, 8787), (2929, 6855)]