20123055800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{5295541}}^1$

素因数の和:5295576

約数の個数: 48

約数和(自身を含む): 49248540600

約数和(自身を除く): 29125484800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 5295541, 10591082, 21182164, 26477705, 42364328, 52955410, 100615279, 105910820, 132388525, 201230558, 211821640, 264777050, 402461116, 503076395, 529554100, 804922232, 1006152790, 1059108200, 2012305580, 2515381975, 4024611160, 5030763950, 10061527900, 20123055800]

約数ペア:

[(1, 20123055800), (2, 10061527900), (4, 5030763950), (5, 4024611160), (8, 2515381975), (10, 2012305580), (19, 1059108200), (20, 1006152790), (25, 804922232), (38, 529554100), (40, 503076395), (50, 402461116), (76, 264777050), (95, 211821640), (100, 201230558), (152, 132388525), (190, 105910820), (200, 100615279), (380, 52955410), (475, 42364328), (760, 26477705), (950, 21182164), (1900, 10591082), (3800, 5295541)]