20997971170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{498409}}^1$

素因数の和:498810

約数の個数: 32

約数和(自身を含む): 41340119040

約数和(自身を除く): 20342147870

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 383, 766, 1915, 3830, 4213, 8426, 21065, 42130, 498409, 996818, 2492045, 4984090, 5482499, 10964998, 27412495, 54824990, 190890647, 381781294, 954453235, 1908906470, 2099797117, 4199594234, 10498985585, 20997971170]

約数ペア:

[(1, 20997971170), (2, 10498985585), (5, 4199594234), (10, 2099797117), (11, 1908906470), (22, 954453235), (55, 381781294), (110, 190890647), (383, 54824990), (766, 27412495), (1915, 10964998), (3830, 5482499), (4213, 4984090), (8426, 2492045), (21065, 996818), (42130, 498409)]