20457510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1753}}^1$

素因数の和:2152

約数の個数: 32

約数和(自身を含む): 49252320

約数和(自身を除く): 28794810

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 389, 778, 1167, 1753, 1945, 2334, 3506, 3890, 5259, 5835, 8765, 10518, 11670, 17530, 26295, 52590, 681917, 1363834, 2045751, 3409585, 4091502, 6819170, 10228755, 20457510]

約数ペア:

[(1, 20457510), (2, 10228755), (3, 6819170), (5, 4091502), (6, 3409585), (10, 2045751), (15, 1363834), (30, 681917), (389, 52590), (778, 26295), (1167, 17530), (1753, 11670), (1945, 10518), (2334, 8765), (3506, 5835), (3890, 5259)]