20081208

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5197}}^1$

素因数の和:5236

約数の個数: 64

約数和(自身を含む): 59880960

約数和(自身を除く): 39799752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 84, 92, 138, 161, 168, 184, 276, 322, 483, 552, 644, 966, 1288, 1932, 3864, 5197, 10394, 15591, 20788, 31182, 36379, 41576, 62364, 72758, 109137, 119531, 124728, 145516, 218274, 239062, 291032, 358593, 436548, 478124, 717186, 836717, 873096, 956248, 1434372, 1673434, 2510151, 2868744, 3346868, 5020302, 6693736, 10040604, 20081208]

約数ペア:

[(1, 20081208), (2, 10040604), (3, 6693736), (4, 5020302), (6, 3346868), (7, 2868744), (8, 2510151), (12, 1673434), (14, 1434372), (21, 956248), (23, 873096), (24, 836717), (28, 717186), (42, 478124), (46, 436548), (56, 358593), (69, 291032), (84, 239062), (92, 218274), (138, 145516), (161, 124728), (168, 119531), (184, 109137), (276, 72758), (322, 62364), (483, 41576), (552, 36379), (644, 31182), (966, 20788), (1288, 15591), (1932, 10394), (3864, 5197)]