20587095

素因数分解:

$3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2089}}^1$

素因数の和:2176

約数の個数: 32

約数和(自身を含む): 37118400

約数和(自身を除く): 16531305

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 135, 219, 365, 657, 1095, 1971, 2089, 3285, 6267, 9855, 10445, 18801, 31335, 56403, 94005, 152497, 282015, 457491, 762485, 1372473, 2287455, 4117419, 6862365, 20587095]

約数ペア:

[(1, 20587095), (3, 6862365), (5, 4117419), (9, 2287455), (15, 1372473), (27, 762485), (45, 457491), (73, 282015), (135, 152497), (219, 94005), (365, 56403), (657, 31335), (1095, 18801), (1971, 10445), (2089, 9855), (3285, 6267)]