20489652

素因数分解:

$2^2\times 3^3\times {\mathrm{193}}^1\times {\mathrm{983}}^1$

素因数の和:1189

約数の個数: 48

約数和(自身を含む): 53450880

約数和(自身を除く): 32961228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 193, 386, 579, 772, 983, 1158, 1737, 1966, 2316, 2949, 3474, 3932, 5211, 5898, 6948, 8847, 10422, 11796, 17694, 20844, 26541, 35388, 53082, 106164, 189719, 379438, 569157, 758876, 1138314, 1707471, 2276628, 3414942, 5122413, 6829884, 10244826, 20489652]

約数ペア:

[(1, 20489652), (2, 10244826), (3, 6829884), (4, 5122413), (6, 3414942), (9, 2276628), (12, 1707471), (18, 1138314), (27, 758876), (36, 569157), (54, 379438), (108, 189719), (193, 106164), (386, 53082), (579, 35388), (772, 26541), (983, 20844), (1158, 17694), (1737, 11796), (1966, 10422), (2316, 8847), (2949, 6948), (3474, 5898), (3932, 5211)]