20563100

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{3371}}^1$

素因数の和:3446

約数の個数: 36

約数和(自身を含む): 45366888

約数和(自身を除く): 24803788

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 3371, 6100, 6742, 13484, 16855, 33710, 67420, 84275, 168550, 205631, 337100, 411262, 822524, 1028155, 2056310, 4112620, 5140775, 10281550, 20563100]

約数ペア:

[(1, 20563100), (2, 10281550), (4, 5140775), (5, 4112620), (10, 2056310), (20, 1028155), (25, 822524), (50, 411262), (61, 337100), (100, 205631), (122, 168550), (244, 84275), (305, 67420), (610, 33710), (1220, 16855), (1525, 13484), (3050, 6742), (3371, 6100)]