20180504992

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{49739}}^1$

素因数の和:50189

約数の個数: 48

約数和(自身を含む): 41113094400

約数和(自身を除く): 20932589408

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 409, 496, 818, 992, 1636, 3272, 6544, 12679, 13088, 25358, 49739, 50716, 99478, 101432, 198956, 202864, 397912, 405728, 795824, 1541909, 1591648, 3083818, 6167636, 12335272, 20343251, 24670544, 40686502, 49341088, 81373004, 162746008, 325492016, 630640781, 650984032, 1261281562, 2522563124, 5045126248, 10090252496, 20180504992]

約数ペア:

[(1, 20180504992), (2, 10090252496), (4, 5045126248), (8, 2522563124), (16, 1261281562), (31, 650984032), (32, 630640781), (62, 325492016), (124, 162746008), (248, 81373004), (409, 49341088), (496, 40686502), (818, 24670544), (992, 20343251), (1636, 12335272), (3272, 6167636), (6544, 3083818), (12679, 1591648), (13088, 1541909), (25358, 795824), (49739, 405728), (50716, 397912), (99478, 202864), (101432, 198956)]