20717503485

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{787}}^1\times {\mathrm{1049}}^1$

素因数の和:2090

約数の個数: 64

約数和(自身を含む): 38126592000

約数和(自身を除く): 17409088515

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 239, 717, 787, 1049, 1195, 1673, 2361, 3147, 3585, 3935, 5019, 5245, 5509, 7343, 8365, 11805, 15735, 16527, 22029, 25095, 27545, 36715, 82635, 110145, 188093, 250711, 564279, 752133, 825563, 940465, 1253555, 1316651, 1754977, 2476689, 2821395, 3760665, 3949953, 4127815, 5264931, 5778941, 6583255, 8774885, 12383445, 17336823, 19749765, 26324655, 28894705, 86684115, 197309557, 591928671, 986547785, 1381166899, 2959643355, 4143500697, 6905834495, 20717503485]

約数ペア:

[(1, 20717503485), (3, 6905834495), (5, 4143500697), (7, 2959643355), (15, 1381166899), (21, 986547785), (35, 591928671), (105, 197309557), (239, 86684115), (717, 28894705), (787, 26324655), (1049, 19749765), (1195, 17336823), (1673, 12383445), (2361, 8774885), (3147, 6583255), (3585, 5778941), (3935, 5264931), (5019, 4127815), (5245, 3949953), (5509, 3760665), (7343, 2821395), (8365, 2476689), (11805, 1754977), (15735, 1316651), (16527, 1253555), (22029, 940465), (25095, 825563), (27545, 752133), (36715, 564279), (82635, 250711), (110145, 188093)]