20471532

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{487}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 49846272

約数和(自身を除く): 29374740

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 113, 124, 186, 226, 339, 372, 452, 487, 678, 974, 1356, 1461, 1948, 2922, 3503, 5844, 7006, 10509, 14012, 15097, 21018, 30194, 42036, 45291, 55031, 60388, 90582, 110062, 165093, 181164, 220124, 330186, 660372, 1705961, 3411922, 5117883, 6823844, 10235766, 20471532]

約数ペア:

[(1, 20471532), (2, 10235766), (3, 6823844), (4, 5117883), (6, 3411922), (12, 1705961), (31, 660372), (62, 330186), (93, 220124), (113, 181164), (124, 165093), (186, 110062), (226, 90582), (339, 60388), (372, 55031), (452, 45291), (487, 42036), (678, 30194), (974, 21018), (1356, 15097), (1461, 14012), (1948, 10509), (2922, 7006), (3503, 5844)]