20660749760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9223549}}^1$

素因数の和:9223573

約数の個数: 56

約数和(自身を含む): 56226760800

約数和(自身を除く): 35566011040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9223549, 18447098, 36894196, 46117745, 64564843, 73788392, 92235490, 129129686, 147576784, 184470980, 258259372, 295153568, 322824215, 368941960, 516518744, 590307136, 645648430, 737883920, 1033037488, 1291296860, 1475767840, 2066074976, 2582593720, 2951535680, 4132149952, 5165187440, 10330374880, 20660749760]

約数ペア:

[(1, 20660749760), (2, 10330374880), (4, 5165187440), (5, 4132149952), (7, 2951535680), (8, 2582593720), (10, 2066074976), (14, 1475767840), (16, 1291296860), (20, 1033037488), (28, 737883920), (32, 645648430), (35, 590307136), (40, 516518744), (56, 368941960), (64, 322824215), (70, 295153568), (80, 258259372), (112, 184470980), (140, 147576784), (160, 129129686), (224, 92235490), (280, 73788392), (320, 64564843), (448, 46117745), (560, 36894196), (1120, 18447098), (2240, 9223549)]