20736650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1019}}^1$

素因数の和:1079

約数の個数: 48

約数和(自身を含む): 43256160

約数和(自身を除く): 22519510

約数列:

[1, 2, 5, 10, 11, 22, 25, 37, 50, 55, 74, 110, 185, 275, 370, 407, 550, 814, 925, 1019, 1850, 2035, 2038, 4070, 5095, 10175, 10190, 11209, 20350, 22418, 25475, 37703, 50950, 56045, 75406, 112090, 188515, 280225, 377030, 414733, 560450, 829466, 942575, 1885150, 2073665, 4147330, 10368325, 20736650]

約数ペア:

[(1, 20736650), (2, 10368325), (5, 4147330), (10, 2073665), (11, 1885150), (22, 942575), (25, 829466), (37, 560450), (50, 414733), (55, 377030), (74, 280225), (110, 188515), (185, 112090), (275, 75406), (370, 56045), (407, 50950), (550, 37703), (814, 25475), (925, 22418), (1019, 20350), (1850, 11209), (2035, 10190), (2038, 10175), (4070, 5095)]