20172895803

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{1237}}^1$

素因数の和:1545

約数の個数: 64

約数和(自身を含む): 31147683840

約数和(自身を除く): 10974788037

約数列:

[1, 3, 9, 27, 47, 71, 141, 181, 213, 423, 543, 639, 1237, 1269, 1629, 1917, 3337, 3711, 4887, 8507, 10011, 11133, 12851, 25521, 30033, 33399, 38553, 58139, 76563, 87827, 90099, 115659, 174417, 223897, 229689, 263481, 346977, 523251, 603997, 671691, 790443, 1569753, 1811991, 2015073, 2371329, 4127869, 5435973, 6045219, 10523159, 12383607, 15896687, 16307919, 31569477, 37150821, 47690061, 94708431, 111452463, 143070183, 284125293, 429210549, 747144289, 2241432867, 6724298601, 20172895803]

約数ペア:

[(1, 20172895803), (3, 6724298601), (9, 2241432867), (27, 747144289), (47, 429210549), (71, 284125293), (141, 143070183), (181, 111452463), (213, 94708431), (423, 47690061), (543, 37150821), (639, 31569477), (1237, 16307919), (1269, 15896687), (1629, 12383607), (1917, 10523159), (3337, 6045219), (3711, 5435973), (4887, 4127869), (8507, 2371329), (10011, 2015073), (11133, 1811991), (12851, 1569753), (25521, 790443), (30033, 671691), (33399, 603997), (38553, 523251), (58139, 346977), (76563, 263481), (87827, 229689), (90099, 223897), (115659, 174417)]