20433825

素因数分解:

$3^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{461}}^1$

素因数の和:674

約数の個数: 36

約数和(自身を含む): 36864828

約数和(自身を除く): 16431003

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 197, 225, 461, 591, 985, 1383, 1773, 2305, 2955, 4149, 4925, 6915, 8865, 11525, 14775, 20745, 34575, 44325, 90817, 103725, 272451, 454085, 817353, 1362255, 2270425, 4086765, 6811275, 20433825]

約数ペア:

[(1, 20433825), (3, 6811275), (5, 4086765), (9, 2270425), (15, 1362255), (25, 817353), (45, 454085), (75, 272451), (197, 103725), (225, 90817), (461, 44325), (591, 34575), (985, 20745), (1383, 14775), (1773, 11525), (2305, 8865), (2955, 6915), (4149, 4925)]