20461784

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19231}}^1$

素因数の和:19263

約数の個数: 32

約数和(自身を含む): 46156800

約数和(自身を除く): 25695016

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19231, 38462, 76924, 134617, 153848, 269234, 365389, 538468, 730778, 1076936, 1461556, 2557723, 2923112, 5115446, 10230892, 20461784]

約数ペア:

[(1, 20461784), (2, 10230892), (4, 5115446), (7, 2923112), (8, 2557723), (14, 1461556), (19, 1076936), (28, 730778), (38, 538468), (56, 365389), (76, 269234), (133, 153848), (152, 134617), (266, 76924), (532, 38462), (1064, 19231)]