20609580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6481}}^1$

素因数の和:6546

約数の個数: 48

約数和(自身を含む): 58804704

約数和(自身を除く): 38195124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 6481, 12962, 19443, 25924, 32405, 38886, 64810, 77772, 97215, 129620, 194430, 343493, 388860, 686986, 1030479, 1373972, 1717465, 2060958, 3434930, 4121916, 5152395, 6869860, 10304790, 20609580]

約数ペア:

[(1, 20609580), (2, 10304790), (3, 6869860), (4, 5152395), (5, 4121916), (6, 3434930), (10, 2060958), (12, 1717465), (15, 1373972), (20, 1030479), (30, 686986), (53, 388860), (60, 343493), (106, 194430), (159, 129620), (212, 97215), (265, 77772), (318, 64810), (530, 38886), (636, 32405), (795, 25924), (1060, 19443), (1590, 12962), (3180, 6481)]