20278116

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{6329}}^1$

素因数の和:6428

約数の個数: 36

約数和(自身を含む): 51842700

約数和(自身を除く): 31564584

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 6329, 12658, 18987, 25316, 37974, 56961, 75948, 113922, 227844, 563281, 1126562, 1689843, 2253124, 3379686, 5069529, 6759372, 10139058, 20278116]

約数ペア:

[(1, 20278116), (2, 10139058), (3, 6759372), (4, 5069529), (6, 3379686), (9, 2253124), (12, 1689843), (18, 1126562), (36, 563281), (89, 227844), (178, 113922), (267, 75948), (356, 56961), (534, 37974), (801, 25316), (1068, 18987), (1602, 12658), (3204, 6329)]