20347428

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{839}}^1$

素因数の和:936

約数の個数: 48

約数和(自身を含む): 49674240

約数和(自身を除く): 29326812

約数列:

[1, 2, 3, 4, 6, 12, 43, 47, 86, 94, 129, 141, 172, 188, 258, 282, 516, 564, 839, 1678, 2021, 2517, 3356, 4042, 5034, 6063, 8084, 10068, 12126, 24252, 36077, 39433, 72154, 78866, 108231, 118299, 144308, 157732, 216462, 236598, 432924, 473196, 1695619, 3391238, 5086857, 6782476, 10173714, 20347428]

約数ペア:

[(1, 20347428), (2, 10173714), (3, 6782476), (4, 5086857), (6, 3391238), (12, 1695619), (43, 473196), (47, 432924), (86, 236598), (94, 216462), (129, 157732), (141, 144308), (172, 118299), (188, 108231), (258, 78866), (282, 72154), (516, 39433), (564, 36077), (839, 24252), (1678, 12126), (2021, 10068), (2517, 8084), (3356, 6063), (4042, 5034)]