20409869970

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10798873}}^1$

素因数の和:10798896

約数の個数: 64

約数和(自身を含む): 62201514240

約数和(自身を除く): 41791644270

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10798873, 21597746, 32396619, 53994365, 64793238, 75592111, 97189857, 107988730, 151184222, 161983095, 194379714, 226776333, 291569571, 323966190, 377960555, 453552666, 485949285, 583139142, 680328999, 755921110, 971898570, 1133881665, 1360657998, 1457847855, 2040986997, 2267763330, 2915695710, 3401644995, 4081973994, 6803289990, 10204934985, 20409869970]

約数ペア:

[(1, 20409869970), (2, 10204934985), (3, 6803289990), (5, 4081973994), (6, 3401644995), (7, 2915695710), (9, 2267763330), (10, 2040986997), (14, 1457847855), (15, 1360657998), (18, 1133881665), (21, 971898570), (27, 755921110), (30, 680328999), (35, 583139142), (42, 485949285), (45, 453552666), (54, 377960555), (63, 323966190), (70, 291569571), (90, 226776333), (105, 194379714), (126, 161983095), (135, 151184222), (189, 107988730), (210, 97189857), (270, 75592111), (315, 64793238), (378, 53994365), (630, 32396619), (945, 21597746), (1890, 10798873)]