20290300

素因数分解:

$2^2\times 5^2\times {\mathrm{331}}^1\times {\mathrm{613}}^1$

素因数の和:958

約数の個数: 36

約数和(自身を含む): 44235016

約数和(自身を除く): 23944716

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 331, 613, 662, 1226, 1324, 1655, 2452, 3065, 3310, 6130, 6620, 8275, 12260, 15325, 16550, 30650, 33100, 61300, 202903, 405806, 811612, 1014515, 2029030, 4058060, 5072575, 10145150, 20290300]

約数ペア:

[(1, 20290300), (2, 10145150), (4, 5072575), (5, 4058060), (10, 2029030), (20, 1014515), (25, 811612), (50, 405806), (100, 202903), (331, 61300), (613, 33100), (662, 30650), (1226, 16550), (1324, 15325), (1655, 12260), (2452, 8275), (3065, 6620), (3310, 6130)]