20458305

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{21649}}^1$

素因数の和:21670

約数の個数: 32

約数和(自身を含む): 41568000

約数和(自身を除く): 21109695

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 21649, 64947, 108245, 151543, 194841, 324735, 454629, 584523, 757715, 974205, 1363887, 2273145, 2922615, 4091661, 6819435, 20458305]

約数ペア:

[(1, 20458305), (3, 6819435), (5, 4091661), (7, 2922615), (9, 2273145), (15, 1363887), (21, 974205), (27, 757715), (35, 584523), (45, 454629), (63, 324735), (105, 194841), (135, 151543), (189, 108245), (315, 64947), (945, 21649)]