20084350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2$

素因数の和:142

約数の個数: 72

約数和(自身を含む): 44731512

約数和(自身を除く): 24647162

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 53, 55, 65, 106, 110, 130, 143, 265, 275, 286, 325, 530, 550, 583, 650, 689, 715, 1166, 1325, 1378, 1430, 2650, 2809, 2915, 3445, 3575, 5618, 5830, 6890, 7150, 7579, 14045, 14575, 15158, 17225, 28090, 29150, 30899, 34450, 36517, 37895, 61798, 70225, 73034, 75790, 140450, 154495, 182585, 189475, 308990, 365170, 378950, 401687, 772475, 803374, 912925, 1544950, 1825850, 2008435, 4016870, 10042175, 20084350]

約数ペア:

[(1, 20084350), (2, 10042175), (5, 4016870), (10, 2008435), (11, 1825850), (13, 1544950), (22, 912925), (25, 803374), (26, 772475), (50, 401687), (53, 378950), (55, 365170), (65, 308990), (106, 189475), (110, 182585), (130, 154495), (143, 140450), (265, 75790), (275, 73034), (286, 70225), (325, 61798), (530, 37895), (550, 36517), (583, 34450), (650, 30899), (689, 29150), (715, 28090), (1166, 17225), (1325, 15158), (1378, 14575), (1430, 14045), (2650, 7579), (2809, 7150), (2915, 6890), (3445, 5830), (3575, 5618)]