20288844

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{9239}}^1$

素因数の和:9310

約数の個数: 36

約数和(自身を含む): 52132080

約数和(自身を除く): 31843236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 549, 732, 1098, 2196, 9239, 18478, 27717, 36956, 55434, 83151, 110868, 166302, 332604, 563579, 1127158, 1690737, 2254316, 3381474, 5072211, 6762948, 10144422, 20288844]

約数ペア:

[(1, 20288844), (2, 10144422), (3, 6762948), (4, 5072211), (6, 3381474), (9, 2254316), (12, 1690737), (18, 1127158), (36, 563579), (61, 332604), (122, 166302), (183, 110868), (244, 83151), (366, 55434), (549, 36956), (732, 27717), (1098, 18478), (2196, 9239)]