20648976

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{13877}}^1$

素因数の和:13919

約数の個数: 40

約数和(自身を含む): 55067904

約数和(自身を除く): 34418928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 13877, 27754, 41631, 55508, 83262, 111016, 166524, 222032, 333048, 430187, 666096, 860374, 1290561, 1720748, 2581122, 3441496, 5162244, 6882992, 10324488, 20648976]

約数ペア:

[(1, 20648976), (2, 10324488), (3, 6882992), (4, 5162244), (6, 3441496), (8, 2581122), (12, 1720748), (16, 1290561), (24, 860374), (31, 666096), (48, 430187), (62, 333048), (93, 222032), (124, 166524), (186, 111016), (248, 83262), (372, 55508), (496, 41631), (744, 27754), (1488, 13877)]