20553712

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{21773}}^1$

素因数の和:21840

約数の個数: 20

約数和(自身を含む): 40499640

約数和(自身を除く): 19945928

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 21773, 43546, 87092, 174184, 348368, 1284607, 2569214, 5138428, 10276856, 20553712]

約数ペア:

[(1, 20553712), (2, 10276856), (4, 5138428), (8, 2569214), (16, 1284607), (59, 348368), (118, 174184), (236, 87092), (472, 43546), (944, 21773)]