20213600

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2297}}^1$

素因数の和:2328

約数の個数: 72

約数和(自身を含む): 53855928

約数和(自身を除く): 33642328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2200, 2297, 4400, 4594, 8800, 9188, 11485, 18376, 22970, 25267, 36752, 45940, 50534, 57425, 73504, 91880, 101068, 114850, 126335, 183760, 202136, 229700, 252670, 367520, 404272, 459400, 505340, 631675, 808544, 918800, 1010680, 1263350, 1837600, 2021360, 2526700, 4042720, 5053400, 10106800, 20213600]

約数ペア:

[(1, 20213600), (2, 10106800), (4, 5053400), (5, 4042720), (8, 2526700), (10, 2021360), (11, 1837600), (16, 1263350), (20, 1010680), (22, 918800), (25, 808544), (32, 631675), (40, 505340), (44, 459400), (50, 404272), (55, 367520), (80, 252670), (88, 229700), (100, 202136), (110, 183760), (160, 126335), (176, 114850), (200, 101068), (220, 91880), (275, 73504), (352, 57425), (400, 50534), (440, 45940), (550, 36752), (800, 25267), (880, 22970), (1100, 18376), (1760, 11485), (2200, 9188), (2297, 8800), (4400, 4594)]