20077060

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 43464960

約数和(自身を除く): 23387900

約数列:

[1, 2, 4, 5, 10, 20, 79, 97, 131, 158, 194, 262, 316, 388, 395, 485, 524, 655, 790, 970, 1310, 1580, 1940, 2620, 7663, 10349, 12707, 15326, 20698, 25414, 30652, 38315, 41396, 50828, 51745, 63535, 76630, 103490, 127070, 153260, 206980, 254140, 1003853, 2007706, 4015412, 5019265, 10038530, 20077060]

約数ペア:

[(1, 20077060), (2, 10038530), (4, 5019265), (5, 4015412), (10, 2007706), (20, 1003853), (79, 254140), (97, 206980), (131, 153260), (158, 127070), (194, 103490), (262, 76630), (316, 63535), (388, 51745), (395, 50828), (485, 41396), (524, 38315), (655, 30652), (790, 25414), (970, 20698), (1310, 15326), (1580, 12707), (1940, 10349), (2620, 7663)]