20883604

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2267}}^1$

素因数の和:2332

約数の個数: 36

約数和(自身を含む): 43436736

約数和(自身を除く): 22553132

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 196, 329, 658, 1316, 2267, 2303, 4534, 4606, 9068, 9212, 15869, 31738, 63476, 106549, 111083, 213098, 222166, 426196, 444332, 745843, 1491686, 2983372, 5220901, 10441802, 20883604]

約数ペア:

[(1, 20883604), (2, 10441802), (4, 5220901), (7, 2983372), (14, 1491686), (28, 745843), (47, 444332), (49, 426196), (94, 222166), (98, 213098), (188, 111083), (196, 106549), (329, 63476), (658, 31738), (1316, 15869), (2267, 9212), (2303, 9068), (4534, 4606)]