20948125

素因数分解:

$5^4\times {\mathrm{11}}^2\times {\mathrm{277}}^1$

素因数の和:319

約数の個数: 30

約数和(自身を含む): 28876694

約数和(自身を除く): 7928569

約数列:

[1, 5, 11, 25, 55, 121, 125, 275, 277, 605, 625, 1375, 1385, 3025, 3047, 6875, 6925, 15125, 15235, 33517, 34625, 75625, 76175, 167585, 173125, 380875, 837925, 1904375, 4189625, 20948125]

約数ペア:

[(1, 20948125), (5, 4189625), (11, 1904375), (25, 837925), (55, 380875), (121, 173125), (125, 167585), (275, 76175), (277, 75625), (605, 34625), (625, 33517), (1375, 15235), (1385, 15125), (3025, 6925), (3047, 6875)]