20145576

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{557}}^1$

素因数の和:714

約数の個数: 64

約数和(自身を含む): 55442880

約数和(自身を除く): 35297304

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 137, 264, 274, 411, 548, 557, 822, 1096, 1114, 1507, 1644, 1671, 2228, 3014, 3288, 3342, 4456, 4521, 6028, 6127, 6684, 9042, 12056, 12254, 13368, 18084, 18381, 24508, 36168, 36762, 49016, 73524, 76309, 147048, 152618, 228927, 305236, 457854, 610472, 839399, 915708, 1678798, 1831416, 2518197, 3357596, 5036394, 6715192, 10072788, 20145576]

約数ペア:

[(1, 20145576), (2, 10072788), (3, 6715192), (4, 5036394), (6, 3357596), (8, 2518197), (11, 1831416), (12, 1678798), (22, 915708), (24, 839399), (33, 610472), (44, 457854), (66, 305236), (88, 228927), (132, 152618), (137, 147048), (264, 76309), (274, 73524), (411, 49016), (548, 36762), (557, 36168), (822, 24508), (1096, 18381), (1114, 18084), (1507, 13368), (1644, 12254), (1671, 12056), (2228, 9042), (3014, 6684), (3288, 6127), (3342, 6028), (4456, 4521)]