20648550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10589}}^1$

素因数の和:10617

約数の個数: 48

約数和(自身を含む): 55152720

約数和(自身を除く): 34504170

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 10589, 21178, 31767, 52945, 63534, 105890, 137657, 158835, 264725, 275314, 317670, 412971, 529450, 688285, 794175, 825942, 1376570, 1588350, 2064855, 3441425, 4129710, 6882850, 10324275, 20648550]

約数ペア:

[(1, 20648550), (2, 10324275), (3, 6882850), (5, 4129710), (6, 3441425), (10, 2064855), (13, 1588350), (15, 1376570), (25, 825942), (26, 794175), (30, 688285), (39, 529450), (50, 412971), (65, 317670), (75, 275314), (78, 264725), (130, 158835), (150, 137657), (195, 105890), (325, 63534), (390, 52945), (650, 31767), (975, 21178), (1950, 10589)]