20435535

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 37065600

約数和(自身を除く): 16630065

約数列:

[1, 3, 5, 9, 15, 43, 45, 59, 129, 177, 179, 215, 295, 387, 531, 537, 645, 885, 895, 1611, 1935, 2537, 2655, 2685, 7611, 7697, 8055, 10561, 12685, 22833, 23091, 31683, 38055, 38485, 52805, 69273, 95049, 114165, 115455, 158415, 346365, 454123, 475245, 1362369, 2270615, 4087107, 6811845, 20435535]

約数ペア:

[(1, 20435535), (3, 6811845), (5, 4087107), (9, 2270615), (15, 1362369), (43, 475245), (45, 454123), (59, 346365), (129, 158415), (177, 115455), (179, 114165), (215, 95049), (295, 69273), (387, 52805), (531, 38485), (537, 38055), (645, 31683), (885, 23091), (895, 22833), (1611, 12685), (1935, 10561), (2537, 8055), (2655, 7697), (2685, 7611)]