20178091514

素因数分解:

$2^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{15271}}^1$

素因数の和:15523

約数の個数: 48

約数和(自身を含む): 35829944640

約数和(自身を除く): 15651853126

約数列:

[1, 2, 7, 14, 49, 97, 98, 139, 194, 278, 679, 973, 1358, 1946, 4753, 6811, 9506, 13483, 13622, 15271, 26966, 30542, 94381, 106897, 188762, 213794, 660667, 748279, 1321334, 1481287, 1496558, 2122669, 2962574, 4245338, 10369009, 14858683, 20738018, 29717366, 72583063, 104010781, 145166126, 205898893, 208021562, 411797786, 1441292251, 2882584502, 10089045757, 20178091514]

約数ペア:

[(1, 20178091514), (2, 10089045757), (7, 2882584502), (14, 1441292251), (49, 411797786), (97, 208021562), (98, 205898893), (139, 145166126), (194, 104010781), (278, 72583063), (679, 29717366), (973, 20738018), (1358, 14858683), (1946, 10369009), (4753, 4245338), (6811, 2962574), (9506, 2122669), (13483, 1496558), (13622, 1481287), (15271, 1321334), (26966, 748279), (30542, 660667), (94381, 213794), (106897, 188762)]