20311254

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:793

約数の個数: 48

約数和(自身を含む): 46635264

約数和(自身を除く): 26324010

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 71, 138, 142, 207, 213, 414, 426, 639, 691, 1278, 1382, 1633, 2073, 3266, 4146, 4899, 6219, 9798, 12438, 14697, 15893, 29394, 31786, 47679, 49061, 95358, 98122, 143037, 147183, 286074, 294366, 441549, 883098, 1128403, 2256806, 3385209, 6770418, 10155627, 20311254]

約数ペア:

[(1, 20311254), (2, 10155627), (3, 6770418), (6, 3385209), (9, 2256806), (18, 1128403), (23, 883098), (46, 441549), (69, 294366), (71, 286074), (138, 147183), (142, 143037), (207, 98122), (213, 95358), (414, 49061), (426, 47679), (639, 31786), (691, 29394), (1278, 15893), (1382, 14697), (1633, 12438), (2073, 9798), (3266, 6219), (4146, 4899)]