20378412

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{9931}}^1$

素因数の和:9963

約数の個数: 48

約数和(自身を含む): 55619200

約数和(自身を除く): 35240788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 9931, 19862, 29793, 39724, 59586, 89379, 119172, 178758, 188689, 268137, 357516, 377378, 536274, 566067, 754756, 1072548, 1132134, 1698201, 2264268, 3396402, 5094603, 6792804, 10189206, 20378412]

約数ペア:

[(1, 20378412), (2, 10189206), (3, 6792804), (4, 5094603), (6, 3396402), (9, 2264268), (12, 1698201), (18, 1132134), (19, 1072548), (27, 754756), (36, 566067), (38, 536274), (54, 377378), (57, 357516), (76, 268137), (108, 188689), (114, 178758), (171, 119172), (228, 89379), (342, 59586), (513, 39724), (684, 29793), (1026, 19862), (2052, 9931)]