20671530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1693}}^1$

素因数の和:1751

約数の個数: 64

約数和(自身を含む): 55617408

約数和(自身を除く): 34945878

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 37, 55, 66, 74, 110, 111, 165, 185, 222, 330, 370, 407, 555, 814, 1110, 1221, 1693, 2035, 2442, 3386, 4070, 5079, 6105, 8465, 10158, 12210, 16930, 18623, 25395, 37246, 50790, 55869, 62641, 93115, 111738, 125282, 186230, 187923, 279345, 313205, 375846, 558690, 626410, 689051, 939615, 1378102, 1879230, 2067153, 3445255, 4134306, 6890510, 10335765, 20671530]

約数ペア:

[(1, 20671530), (2, 10335765), (3, 6890510), (5, 4134306), (6, 3445255), (10, 2067153), (11, 1879230), (15, 1378102), (22, 939615), (30, 689051), (33, 626410), (37, 558690), (55, 375846), (66, 313205), (74, 279345), (110, 187923), (111, 186230), (165, 125282), (185, 111738), (222, 93115), (330, 62641), (370, 55869), (407, 50790), (555, 37246), (814, 25395), (1110, 18623), (1221, 16930), (1693, 12210), (2035, 10158), (2442, 8465), (3386, 6105), (4070, 5079)]