20878656

素因数分解:

$2^6\times 3^1\times {\mathrm{37}}^1\times {\mathrm{2939}}^1$

素因数の和:2991

約数の個数: 56

約数和(自身を含む): 56753760

約数和(自身を除く): 35875104

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 148, 192, 222, 296, 444, 592, 888, 1184, 1776, 2368, 2939, 3552, 5878, 7104, 8817, 11756, 17634, 23512, 35268, 47024, 70536, 94048, 108743, 141072, 188096, 217486, 282144, 326229, 434972, 564288, 652458, 869944, 1304916, 1739888, 2609832, 3479776, 5219664, 6959552, 10439328, 20878656]

約数ペア:

[(1, 20878656), (2, 10439328), (3, 6959552), (4, 5219664), (6, 3479776), (8, 2609832), (12, 1739888), (16, 1304916), (24, 869944), (32, 652458), (37, 564288), (48, 434972), (64, 326229), (74, 282144), (96, 217486), (111, 188096), (148, 141072), (192, 108743), (222, 94048), (296, 70536), (444, 47024), (592, 35268), (888, 23512), (1184, 17634), (1776, 11756), (2368, 8817), (2939, 7104), (3552, 5878)]