20703774

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5417}}^1$

素因数の和:5449

約数の個数: 48

約数和(自身を含む): 51882768

約数和(自身を除く): 31178994

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 5417, 10834, 16251, 32502, 37919, 70421, 75838, 113757, 140842, 211263, 227514, 265433, 422526, 492947, 530866, 796299, 985894, 1478841, 1592598, 2957682, 3450629, 6901258, 10351887, 20703774]

約数ペア:

[(1, 20703774), (2, 10351887), (3, 6901258), (6, 3450629), (7, 2957682), (13, 1592598), (14, 1478841), (21, 985894), (26, 796299), (39, 530866), (42, 492947), (49, 422526), (78, 265433), (91, 227514), (98, 211263), (147, 140842), (182, 113757), (273, 75838), (294, 70421), (546, 37919), (637, 32502), (1274, 16251), (1911, 10834), (3822, 5417)]