20317470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1741}}^1$

素因数の和:2140

約数の個数: 32

約数和(自身を含む): 48915360

約数和(自身を除く): 28597890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 389, 778, 1167, 1741, 1945, 2334, 3482, 3890, 5223, 5835, 8705, 10446, 11670, 17410, 26115, 52230, 677249, 1354498, 2031747, 3386245, 4063494, 6772490, 10158735, 20317470]

約数ペア:

[(1, 20317470), (2, 10158735), (3, 6772490), (5, 4063494), (6, 3386245), (10, 2031747), (15, 1354498), (30, 677249), (389, 52230), (778, 26115), (1167, 17410), (1741, 11670), (1945, 10446), (2334, 8705), (3482, 5835), (3890, 5223)]