20081586

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{739}}^1$

素因数の和:1398

約数の個数: 32

約数和(自身を含む): 46033920

約数和(自身を除く): 25952334

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 647, 739, 1294, 1478, 1941, 2217, 3882, 4434, 4529, 5173, 9058, 10346, 13587, 15519, 27174, 31038, 478133, 956266, 1434399, 2868798, 3346931, 6693862, 10040793, 20081586]

約数ペア:

[(1, 20081586), (2, 10040793), (3, 6693862), (6, 3346931), (7, 2868798), (14, 1434399), (21, 956266), (42, 478133), (647, 31038), (739, 27174), (1294, 15519), (1478, 13587), (1941, 10346), (2217, 9058), (3882, 5173), (4434, 4529)]