20745870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9473}}^1$

素因数の和:9556

約数の個数: 32

約数和(自身を含む): 50477472

約数和(自身を除く): 29731602

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 9473, 18946, 28419, 47365, 56838, 94730, 142095, 284190, 691529, 1383058, 2074587, 3457645, 4149174, 6915290, 10372935, 20745870]

約数ペア:

[(1, 20745870), (2, 10372935), (3, 6915290), (5, 4149174), (6, 3457645), (10, 2074587), (15, 1383058), (30, 691529), (73, 284190), (146, 142095), (219, 94730), (365, 56838), (438, 47365), (730, 28419), (1095, 18946), (2190, 9473)]