20249529260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{888917}}^1$

素因数の和:889010

約数の個数: 48

約数和(自身を含む): 45697496544

約数和(自身を除く): 25447967284

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 1139, 1340, 2278, 4556, 5695, 11390, 22780, 888917, 1777834, 3555668, 4444585, 8889170, 15111589, 17778340, 30223178, 59557439, 60446356, 75557945, 119114878, 151115890, 238229756, 297787195, 302231780, 595574390, 1012476463, 1191148780, 2024952926, 4049905852, 5062382315, 10124764630, 20249529260]

約数ペア:

[(1, 20249529260), (2, 10124764630), (4, 5062382315), (5, 4049905852), (10, 2024952926), (17, 1191148780), (20, 1012476463), (34, 595574390), (67, 302231780), (68, 297787195), (85, 238229756), (134, 151115890), (170, 119114878), (268, 75557945), (335, 60446356), (340, 59557439), (670, 30223178), (1139, 17778340), (1340, 15111589), (2278, 8889170), (4556, 4444585), (5695, 3555668), (11390, 1777834), (22780, 888917)]