20176891197

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{809}}^1\times {\mathrm{1997}}^1$

素因数の和:3013

約数の個数: 32

約数和(自身を含む): 28276335360

約数和(自身を除く): 8099444163

約数列:

[1, 3, 23, 69, 181, 543, 809, 1997, 2427, 4163, 5991, 12489, 18607, 45931, 55821, 137793, 146429, 361457, 439287, 1084371, 1615573, 3367867, 4846719, 8313511, 10103601, 24940533, 37158179, 111474537, 292418713, 877256139, 6725630399, 20176891197]

約数ペア:

[(1, 20176891197), (3, 6725630399), (23, 877256139), (69, 292418713), (181, 111474537), (543, 37158179), (809, 24940533), (1997, 10103601), (2427, 8313511), (4163, 4846719), (5991, 3367867), (12489, 1615573), (18607, 1084371), (45931, 439287), (55821, 361457), (137793, 146429)]