20454130

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{787}}^1$

素因数の和:930

約数の個数: 32

約数和(自身を含む): 38807424

約数和(自身を除く): 18353294

約数列:

[1, 2, 5, 10, 23, 46, 113, 115, 226, 230, 565, 787, 1130, 1574, 2599, 3935, 5198, 7870, 12995, 18101, 25990, 36202, 88931, 90505, 177862, 181010, 444655, 889310, 2045413, 4090826, 10227065, 20454130]

約数ペア:

[(1, 20454130), (2, 10227065), (5, 4090826), (10, 2045413), (23, 889310), (46, 444655), (113, 181010), (115, 177862), (226, 90505), (230, 88931), (565, 36202), (787, 25990), (1130, 18101), (1574, 12995), (2599, 7870), (3935, 5198)]