20498796

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1303}}^1$

素因数の和:1355

約数の個数: 72

約数和(自身を含む): 56958720

約数和(自身を除く): 36459924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 114, 138, 171, 207, 228, 276, 342, 414, 437, 684, 828, 874, 1303, 1311, 1748, 2606, 2622, 3909, 3933, 5212, 5244, 7818, 7866, 11727, 15636, 15732, 23454, 24757, 29969, 46908, 49514, 59938, 74271, 89907, 99028, 119876, 148542, 179814, 222813, 269721, 297084, 359628, 445626, 539442, 569411, 891252, 1078884, 1138822, 1708233, 2277644, 3416466, 5124699, 6832932, 10249398, 20498796]

約数ペア:

[(1, 20498796), (2, 10249398), (3, 6832932), (4, 5124699), (6, 3416466), (9, 2277644), (12, 1708233), (18, 1138822), (19, 1078884), (23, 891252), (36, 569411), (38, 539442), (46, 445626), (57, 359628), (69, 297084), (76, 269721), (92, 222813), (114, 179814), (138, 148542), (171, 119876), (207, 99028), (228, 89907), (276, 74271), (342, 59938), (414, 49514), (437, 46908), (684, 29969), (828, 24757), (874, 23454), (1303, 15732), (1311, 15636), (1748, 11727), (2606, 7866), (2622, 7818), (3909, 5244), (3933, 5212)]