20885544

素因数分解:

$2^3\times 3^2\times {\mathrm{107}}^1\times {\mathrm{2711}}^1$

素因数の和:2830

約数の個数: 48

約数和(自身を含む): 57114720

約数和(自身を除く): 36229176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 107, 214, 321, 428, 642, 856, 963, 1284, 1926, 2568, 2711, 3852, 5422, 7704, 8133, 10844, 16266, 21688, 24399, 32532, 48798, 65064, 97596, 195192, 290077, 580154, 870231, 1160308, 1740462, 2320616, 2610693, 3480924, 5221386, 6961848, 10442772, 20885544]

約数ペア:

[(1, 20885544), (2, 10442772), (3, 6961848), (4, 5221386), (6, 3480924), (8, 2610693), (9, 2320616), (12, 1740462), (18, 1160308), (24, 870231), (36, 580154), (72, 290077), (107, 195192), (214, 97596), (321, 65064), (428, 48798), (642, 32532), (856, 24399), (963, 21688), (1284, 16266), (1926, 10844), (2568, 8133), (2711, 7704), (3852, 5422)]