20808675848

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1\times {\mathrm{3727}}^1$

素因数の和:4290

約数の個数: 64

約数和(自身を含む): 41228697600

約数和(自身を除く): 20420021752

約数列:

[1, 2, 4, 8, 31, 47, 62, 94, 124, 188, 248, 376, 479, 958, 1457, 1916, 2914, 3727, 3832, 5828, 7454, 11656, 14849, 14908, 22513, 29698, 29816, 45026, 59396, 90052, 115537, 118792, 175169, 180104, 231074, 350338, 462148, 697903, 700676, 924296, 1395806, 1401352, 1785233, 2791612, 3570466, 5430239, 5583224, 7140932, 10860478, 14281864, 21720956, 43441912, 55342223, 83905951, 110684446, 167811902, 221368892, 335623804, 442737784, 671247608, 2601084481, 5202168962, 10404337924, 20808675848]

約数ペア:

[(1, 20808675848), (2, 10404337924), (4, 5202168962), (8, 2601084481), (31, 671247608), (47, 442737784), (62, 335623804), (94, 221368892), (124, 167811902), (188, 110684446), (248, 83905951), (376, 55342223), (479, 43441912), (958, 21720956), (1457, 14281864), (1916, 10860478), (2914, 7140932), (3727, 5583224), (3832, 5430239), (5828, 3570466), (7454, 2791612), (11656, 1785233), (14849, 1401352), (14908, 1395806), (22513, 924296), (29698, 700676), (29816, 697903), (45026, 462148), (59396, 350338), (90052, 231074), (115537, 180104), (118792, 175169)]