20261196

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{4049}}^1$

素因数の和:4198

約数の個数: 36

約数和(自身を含む): 51597000

約数和(自身を除く): 31335804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 4049, 5004, 8098, 12147, 16196, 24294, 36441, 48588, 72882, 145764, 562811, 1125622, 1688433, 2251244, 3376866, 5065299, 6753732, 10130598, 20261196]

約数ペア:

[(1, 20261196), (2, 10130598), (3, 6753732), (4, 5065299), (6, 3376866), (9, 2251244), (12, 1688433), (18, 1125622), (36, 562811), (139, 145764), (278, 72882), (417, 48588), (556, 36441), (834, 24294), (1251, 16196), (1668, 12147), (2502, 8098), (4049, 5004)]