20147647786

素因数分解:

$2^1\times 7^1\times {\mathrm{21313}}^1\times {\mathrm{67523}}^1$

素因数の和:88845

約数の個数: 16

約数和(自身を含む): 34540956864

約数和(自身を除く): 14393309078

約数列:

[1, 2, 7, 14, 21313, 42626, 67523, 135046, 149191, 298382, 472661, 945322, 1439117699, 2878235398, 10073823893, 20147647786]

約数ペア:

[(1, 20147647786), (2, 10073823893), (7, 2878235398), (14, 1439117699), (21313, 945322), (42626, 472661), (67523, 298382), (135046, 149191)]