20452290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29641}}^1$

素因数の和:29674

約数の個数: 32

約数和(自身を含む): 51221376

約数和(自身を除く): 30769086

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 29641, 59282, 88923, 148205, 177846, 296410, 444615, 681743, 889230, 1363486, 2045229, 3408715, 4090458, 6817430, 10226145, 20452290]

約数ペア:

[(1, 20452290), (2, 10226145), (3, 6817430), (5, 4090458), (6, 3408715), (10, 2045229), (15, 1363486), (23, 889230), (30, 681743), (46, 444615), (69, 296410), (115, 177846), (138, 148205), (230, 88923), (345, 59282), (690, 29641)]