20477110

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 37822464

約数和(自身を除く): 17345354

約数列:

[1, 2, 5, 10, 71, 142, 151, 191, 302, 355, 382, 710, 755, 955, 1510, 1910, 10721, 13561, 21442, 27122, 28841, 53605, 57682, 67805, 107210, 135610, 144205, 288410, 2047711, 4095422, 10238555, 20477110]

約数ペア:

[(1, 20477110), (2, 10238555), (5, 4095422), (10, 2047711), (71, 288410), (142, 144205), (151, 135610), (191, 107210), (302, 67805), (355, 57682), (382, 53605), (710, 28841), (755, 27122), (955, 21442), (1510, 13561), (1910, 10721)]