20402606

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 36191232

約数和(自身を除く): 15788626

約数列:

[1, 2, 7, 14, 47, 94, 101, 202, 307, 329, 614, 658, 707, 1414, 2149, 4298, 4747, 9494, 14429, 28858, 31007, 33229, 62014, 66458, 101003, 202006, 217049, 434098, 1457329, 2914658, 10201303, 20402606]

約数ペア:

[(1, 20402606), (2, 10201303), (7, 2914658), (14, 1457329), (47, 434098), (94, 217049), (101, 202006), (202, 101003), (307, 66458), (329, 62014), (614, 33229), (658, 31007), (707, 28858), (1414, 14429), (2149, 9494), (4298, 4747)]