20437368

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{509}}^1$

素因数の和:764

約数の個数: 64

約数和(自身を含む): 58752000

約数和(自身を除く): 38314632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 239, 478, 509, 717, 956, 1018, 1434, 1527, 1673, 1912, 2036, 2868, 3054, 3346, 3563, 4072, 5019, 5736, 6108, 6692, 7126, 10038, 10689, 12216, 13384, 14252, 20076, 21378, 28504, 40152, 42756, 85512, 121651, 243302, 364953, 486604, 729906, 851557, 973208, 1459812, 1703114, 2554671, 2919624, 3406228, 5109342, 6812456, 10218684, 20437368]

約数ペア:

[(1, 20437368), (2, 10218684), (3, 6812456), (4, 5109342), (6, 3406228), (7, 2919624), (8, 2554671), (12, 1703114), (14, 1459812), (21, 973208), (24, 851557), (28, 729906), (42, 486604), (56, 364953), (84, 243302), (168, 121651), (239, 85512), (478, 42756), (509, 40152), (717, 28504), (956, 21378), (1018, 20076), (1434, 14252), (1527, 13384), (1673, 12216), (1912, 10689), (2036, 10038), (2868, 7126), (3054, 6692), (3346, 6108), (3563, 5736), (4072, 5019)]