20239978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1181}}^1$

素因数の和:1254

約数の個数: 32

約数和(自身を含む): 35743680

約数和(自身を除く): 15503702

約数列:

[1, 2, 11, 19, 22, 38, 41, 82, 209, 418, 451, 779, 902, 1181, 1558, 2362, 8569, 12991, 17138, 22439, 25982, 44878, 48421, 96842, 246829, 493658, 532631, 919999, 1065262, 1839998, 10119989, 20239978]

約数ペア:

[(1, 20239978), (2, 10119989), (11, 1839998), (19, 1065262), (22, 919999), (38, 532631), (41, 493658), (82, 246829), (209, 96842), (418, 48421), (451, 44878), (779, 25982), (902, 22439), (1181, 17138), (1558, 12991), (2362, 8569)]