20779850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4567}}^1$

素因数の和:4599

約数の個数: 48

約数和(自身を含む): 47580288

約数和(自身を除く): 26800438

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4550, 4567, 9134, 22835, 31969, 45670, 59371, 63938, 114175, 118742, 159845, 228350, 296855, 319690, 415597, 593710, 799225, 831194, 1484275, 1598450, 2077985, 2968550, 4155970, 10389925, 20779850]

約数ペア:

[(1, 20779850), (2, 10389925), (5, 4155970), (7, 2968550), (10, 2077985), (13, 1598450), (14, 1484275), (25, 831194), (26, 799225), (35, 593710), (50, 415597), (65, 319690), (70, 296855), (91, 228350), (130, 159845), (175, 118742), (182, 114175), (325, 63938), (350, 59371), (455, 45670), (650, 31969), (910, 22835), (2275, 9134), (4550, 4567)]