20619480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{24547}}^1$

素因数の和:24568

約数の個数: 64

約数和(自身を含む): 70698240

約数和(自身を除く): 50078760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 24547, 49094, 73641, 98188, 122735, 147282, 171829, 196376, 245470, 294564, 343658, 368205, 490940, 515487, 589128, 687316, 736410, 859145, 981880, 1030974, 1374632, 1472820, 1718290, 2061948, 2577435, 2945640, 3436580, 4123896, 5154870, 6873160, 10309740, 20619480]

約数ペア:

[(1, 20619480), (2, 10309740), (3, 6873160), (4, 5154870), (5, 4123896), (6, 3436580), (7, 2945640), (8, 2577435), (10, 2061948), (12, 1718290), (14, 1472820), (15, 1374632), (20, 1030974), (21, 981880), (24, 859145), (28, 736410), (30, 687316), (35, 589128), (40, 515487), (42, 490940), (56, 368205), (60, 343658), (70, 294564), (84, 245470), (105, 196376), (120, 171829), (140, 147282), (168, 122735), (210, 98188), (280, 73641), (420, 49094), (840, 24547)]