20215452

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 48932352

約数和(自身を除く): 28716900

約数列:

[1, 2, 3, 4, 6, 12, 47, 73, 94, 141, 146, 188, 219, 282, 292, 438, 491, 564, 876, 982, 1473, 1964, 2946, 3431, 5892, 6862, 10293, 13724, 20586, 23077, 35843, 41172, 46154, 69231, 71686, 92308, 107529, 138462, 143372, 215058, 276924, 430116, 1684621, 3369242, 5053863, 6738484, 10107726, 20215452]

約数ペア:

[(1, 20215452), (2, 10107726), (3, 6738484), (4, 5053863), (6, 3369242), (12, 1684621), (47, 430116), (73, 276924), (94, 215058), (141, 143372), (146, 138462), (188, 107529), (219, 92308), (282, 71686), (292, 69231), (438, 46154), (491, 41172), (564, 35843), (876, 23077), (982, 20586), (1473, 13724), (1964, 10293), (2946, 6862), (3431, 5892)]