23530820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 51020928

約数和(自身を除く): 27490108

約数列:

[1, 2, 4, 5, 10, 20, 71, 73, 142, 146, 227, 284, 292, 355, 365, 454, 710, 730, 908, 1135, 1420, 1460, 2270, 4540, 5183, 10366, 16117, 16571, 20732, 25915, 32234, 33142, 51830, 64468, 66284, 80585, 82855, 103660, 161170, 165710, 322340, 331420, 1176541, 2353082, 4706164, 5882705, 11765410, 23530820]

約数ペア:

[(1, 23530820), (2, 11765410), (4, 5882705), (5, 4706164), (10, 2353082), (20, 1176541), (71, 331420), (73, 322340), (142, 165710), (146, 161170), (227, 103660), (284, 82855), (292, 80585), (355, 66284), (365, 64468), (454, 51830), (710, 33142), (730, 32234), (908, 25915), (1135, 20732), (1420, 16571), (1460, 16117), (2270, 10366), (4540, 5183)]