20815676940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1916729}}^1$

素因数の和:1916922

約数の個数: 48

約数和(自身を含む): 58605936480

約数和(自身を除く): 37790259540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 181, 362, 543, 724, 905, 1086, 1810, 2172, 2715, 3620, 5430, 10860, 1916729, 3833458, 5750187, 7666916, 9583645, 11500374, 19167290, 23000748, 28750935, 38334580, 57501870, 115003740, 346927949, 693855898, 1040783847, 1387711796, 1734639745, 2081567694, 3469279490, 4163135388, 5203919235, 6938558980, 10407838470, 20815676940]

約数ペア:

[(1, 20815676940), (2, 10407838470), (3, 6938558980), (4, 5203919235), (5, 4163135388), (6, 3469279490), (10, 2081567694), (12, 1734639745), (15, 1387711796), (20, 1040783847), (30, 693855898), (60, 346927949), (181, 115003740), (362, 57501870), (543, 38334580), (724, 28750935), (905, 23000748), (1086, 19167290), (1810, 11500374), (2172, 9583645), (2715, 7666916), (3620, 5750187), (5430, 3833458), (10860, 1916729)]