20106800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:235

約数の個数: 120

約数和(自身を含む): 56829696

約数和(自身を除く): 36722896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 43, 50, 56, 70, 80, 86, 100, 112, 140, 167, 172, 175, 200, 215, 280, 301, 334, 344, 350, 400, 430, 560, 602, 668, 688, 700, 835, 860, 1075, 1169, 1204, 1336, 1400, 1505, 1670, 1720, 2150, 2338, 2408, 2672, 2800, 3010, 3340, 3440, 4175, 4300, 4676, 4816, 5845, 6020, 6680, 7181, 7525, 8350, 8600, 9352, 11690, 12040, 13360, 14362, 15050, 16700, 17200, 18704, 23380, 24080, 28724, 29225, 30100, 33400, 35905, 46760, 50267, 57448, 58450, 60200, 66800, 71810, 93520, 100534, 114896, 116900, 120400, 143620, 179525, 201068, 233800, 251335, 287240, 359050, 402136, 467600, 502670, 574480, 718100, 804272, 1005340, 1256675, 1436200, 2010680, 2513350, 2872400, 4021360, 5026700, 10053400, 20106800]

約数ペア:

[(1, 20106800), (2, 10053400), (4, 5026700), (5, 4021360), (7, 2872400), (8, 2513350), (10, 2010680), (14, 1436200), (16, 1256675), (20, 1005340), (25, 804272), (28, 718100), (35, 574480), (40, 502670), (43, 467600), (50, 402136), (56, 359050), (70, 287240), (80, 251335), (86, 233800), (100, 201068), (112, 179525), (140, 143620), (167, 120400), (172, 116900), (175, 114896), (200, 100534), (215, 93520), (280, 71810), (301, 66800), (334, 60200), (344, 58450), (350, 57448), (400, 50267), (430, 46760), (560, 35905), (602, 33400), (668, 30100), (688, 29225), (700, 28724), (835, 24080), (860, 23380), (1075, 18704), (1169, 17200), (1204, 16700), (1336, 15050), (1400, 14362), (1505, 13360), (1670, 12040), (1720, 11690), (2150, 9352), (2338, 8600), (2408, 8350), (2672, 7525), (2800, 7181), (3010, 6680), (3340, 6020), (3440, 5845), (4175, 4816), (4300, 4676)]