20178051327

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{28513}}^1$

素因数の和:28812

約数の個数: 48

約数和(自身を含む): 34162053120

約数和(自身を除く): 13984001793

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 239, 329, 423, 717, 987, 1673, 2151, 2961, 5019, 11233, 15057, 28513, 33699, 78631, 85539, 101097, 199591, 235893, 256617, 598773, 707679, 1340111, 1796319, 4020333, 6814607, 9380777, 12060999, 20443821, 28142331, 47702249, 61331463, 84426993, 143106747, 320286529, 429320241, 960859587, 2242005703, 2882578761, 6726017109, 20178051327]

約数ペア:

[(1, 20178051327), (3, 6726017109), (7, 2882578761), (9, 2242005703), (21, 960859587), (47, 429320241), (63, 320286529), (141, 143106747), (239, 84426993), (329, 61331463), (423, 47702249), (717, 28142331), (987, 20443821), (1673, 12060999), (2151, 9380777), (2961, 6814607), (5019, 4020333), (11233, 1796319), (15057, 1340111), (28513, 707679), (33699, 598773), (78631, 256617), (85539, 235893), (101097, 199591)]