20588560

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6277}}^1$

素因数の和:6331

約数の個数: 40

約数和(自身を含む): 49043736

約数和(自身を除く): 28455176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 6277, 12554, 25108, 31385, 50216, 62770, 100432, 125540, 251080, 257357, 502160, 514714, 1029428, 1286785, 2058856, 2573570, 4117712, 5147140, 10294280, 20588560]

約数ペア:

[(1, 20588560), (2, 10294280), (4, 5147140), (5, 4117712), (8, 2573570), (10, 2058856), (16, 1286785), (20, 1029428), (40, 514714), (41, 502160), (80, 257357), (82, 251080), (164, 125540), (205, 100432), (328, 62770), (410, 50216), (656, 31385), (820, 25108), (1640, 12554), (3280, 6277)]