20139857997

素因数分解:

$3^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{653}}^1\times {\mathrm{4091}}^1$

素因数の和:5113

約数の個数: 32

約数和(自身を含む): 30829455360

約数和(自身を除く): 10689597363

約数列:

[1, 3, 7, 21, 359, 653, 1077, 1959, 2513, 4091, 4571, 7539, 12273, 13713, 28637, 85911, 234427, 703281, 1468669, 1640989, 2671423, 4406007, 4922967, 8014269, 10280683, 18699961, 30842049, 56099883, 959040857, 2877122571, 6713285999, 20139857997]

約数ペア:

[(1, 20139857997), (3, 6713285999), (7, 2877122571), (21, 959040857), (359, 56099883), (653, 30842049), (1077, 18699961), (1959, 10280683), (2513, 8014269), (4091, 4922967), (4571, 4406007), (7539, 2671423), (12273, 1640989), (13713, 1468669), (28637, 703281), (85911, 234427)]