20184952005

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{43963}}^1$

素因数の和:44175

約数の個数: 64

約数和(自身を含む): 37984896000

約数和(自身を除く): 17799943995

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 179, 285, 513, 537, 855, 895, 1611, 2565, 2685, 3401, 4833, 8055, 10203, 17005, 24165, 30609, 43963, 51015, 91827, 131889, 153045, 219815, 395667, 459135, 659445, 835297, 1187001, 1978335, 2505891, 4176485, 5935005, 7517673, 7869377, 12529455, 22553019, 23608131, 37588365, 39346885, 70824393, 112765095, 118040655, 149518163, 212473179, 354121965, 448554489, 747590815, 1062365895, 1345663467, 2242772445, 4036990401, 6728317335, 20184952005]

約数ペア:

[(1, 20184952005), (3, 6728317335), (5, 4036990401), (9, 2242772445), (15, 1345663467), (19, 1062365895), (27, 747590815), (45, 448554489), (57, 354121965), (95, 212473179), (135, 149518163), (171, 118040655), (179, 112765095), (285, 70824393), (513, 39346885), (537, 37588365), (855, 23608131), (895, 22553019), (1611, 12529455), (2565, 7869377), (2685, 7517673), (3401, 5935005), (4833, 4176485), (8055, 2505891), (10203, 1978335), (17005, 1187001), (24165, 835297), (30609, 659445), (43963, 459135), (51015, 395667), (91827, 219815), (131889, 153045)]