20529477

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:362

約数の個数: 32

約数和(自身を含む): 31852800

約数和(自身を除く): 11323323

約数列:

[1, 3, 9, 27, 29, 87, 157, 167, 261, 471, 501, 783, 1413, 1503, 4239, 4509, 4553, 4843, 13659, 14529, 26219, 40977, 43587, 78657, 122931, 130761, 235971, 707913, 760351, 2281053, 6843159, 20529477]

約数ペア:

[(1, 20529477), (3, 6843159), (9, 2281053), (27, 760351), (29, 707913), (87, 235971), (157, 130761), (167, 122931), (261, 78657), (471, 43587), (501, 40977), (783, 26219), (1413, 14529), (1503, 13659), (4239, 4843), (4509, 4553)]