20187726

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:537

約数の個数: 48

約数和(自身を含む): 44833536

約数和(自身を除く): 24645810

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 169, 258, 338, 463, 507, 559, 926, 1014, 1118, 1389, 1677, 2778, 3354, 6019, 7267, 12038, 14534, 18057, 19909, 21801, 36114, 39818, 43602, 59727, 78247, 119454, 156494, 234741, 258817, 469482, 517634, 776451, 1552902, 3364621, 6729242, 10093863, 20187726]

約数ペア:

[(1, 20187726), (2, 10093863), (3, 6729242), (6, 3364621), (13, 1552902), (26, 776451), (39, 517634), (43, 469482), (78, 258817), (86, 234741), (129, 156494), (169, 119454), (258, 78247), (338, 59727), (463, 43602), (507, 39818), (559, 36114), (926, 21801), (1014, 19909), (1118, 18057), (1389, 14534), (1677, 12038), (2778, 7267), (3354, 6019)]