20021925

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3467}}^1$

素因数の和:3498

約数の個数: 48

約数和(自身を含む): 41283072

約数和(自身を除く): 21261147

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 165, 175, 231, 275, 385, 525, 825, 1155, 1925, 3467, 5775, 10401, 17335, 24269, 38137, 52005, 72807, 86675, 114411, 121345, 190685, 260025, 266959, 364035, 572055, 606725, 800877, 953425, 1334795, 1820175, 2860275, 4004385, 6673975, 20021925]

約数ペア:

[(1, 20021925), (3, 6673975), (5, 4004385), (7, 2860275), (11, 1820175), (15, 1334795), (21, 953425), (25, 800877), (33, 606725), (35, 572055), (55, 364035), (75, 266959), (77, 260025), (105, 190685), (165, 121345), (175, 114411), (231, 86675), (275, 72807), (385, 52005), (525, 38137), (825, 24269), (1155, 17335), (1925, 10401), (3467, 5775)]