20709844

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{983}}^1$

素因数の和:1239

約数の個数: 24

約数和(自身を含む): 38021760

約数和(自身を除く): 17311916

約数列:

[1, 2, 4, 23, 46, 92, 229, 458, 916, 983, 1966, 3932, 5267, 10534, 21068, 22609, 45218, 90436, 225107, 450214, 900428, 5177461, 10354922, 20709844]

約数ペア:

[(1, 20709844), (2, 10354922), (4, 5177461), (23, 900428), (46, 450214), (92, 225107), (229, 90436), (458, 45218), (916, 22609), (983, 21068), (1966, 10534), (3932, 5267)]