20672804320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{18457861}}^1$

素因数の和:18457883

約数の個数: 48

約数和(自身を含む): 55816574688

約数和(自身を除く): 35143770368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 18457861, 36915722, 73831444, 92289305, 129205027, 147662888, 184578610, 258410054, 295325776, 369157220, 516820108, 590651552, 646025135, 738314440, 1033640216, 1292050270, 1476628880, 2067280432, 2584100540, 2953257760, 4134560864, 5168201080, 10336402160, 20672804320]

約数ペア:

[(1, 20672804320), (2, 10336402160), (4, 5168201080), (5, 4134560864), (7, 2953257760), (8, 2584100540), (10, 2067280432), (14, 1476628880), (16, 1292050270), (20, 1033640216), (28, 738314440), (32, 646025135), (35, 590651552), (40, 516820108), (56, 369157220), (70, 295325776), (80, 258410054), (112, 184578610), (140, 147662888), (160, 129205027), (224, 92289305), (280, 73831444), (560, 36915722), (1120, 18457861)]