20266300

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{4943}}^1$

素因数の和:4998

約数の個数: 36

約数和(自身を含む): 45059616

約数和(自身を除く): 24793316

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 4943, 9886, 19772, 24715, 49430, 98860, 123575, 202663, 247150, 405326, 494300, 810652, 1013315, 2026630, 4053260, 5066575, 10133150, 20266300]

約数ペア:

[(1, 20266300), (2, 10133150), (4, 5066575), (5, 4053260), (10, 2026630), (20, 1013315), (25, 810652), (41, 494300), (50, 405326), (82, 247150), (100, 202663), (164, 123575), (205, 98860), (410, 49430), (820, 24715), (1025, 19772), (2050, 9886), (4100, 4943)]