20159771915

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1\times {\mathrm{5581}}^1$

素因数の和:5999

約数の個数: 32

約数和(自身を含む): 25305483456

約数和(自身を除く): 5145711541

約数列:

[1, 5, 43, 53, 215, 265, 317, 1585, 2279, 5581, 11395, 13631, 16801, 27905, 68155, 84005, 239983, 295793, 722443, 1199915, 1478965, 1769177, 3612215, 8845885, 12719099, 63595495, 76074611, 93766381, 380373055, 468831905, 4031954383, 20159771915]

約数ペア:

[(1, 20159771915), (5, 4031954383), (43, 468831905), (53, 380373055), (215, 93766381), (265, 76074611), (317, 63595495), (1585, 12719099), (2279, 8845885), (5581, 3612215), (11395, 1769177), (13631, 1478965), (16801, 1199915), (27905, 722443), (68155, 295793), (84005, 239983)]