20193048225

素因数分解:

$3^3\times 5^2\times 7^2\times {\mathrm{610523}}^1$

素因数の和:610556

約数の個数: 72

約数和(自身を含む): 43151836320

約数和(自身を除く): 22958788095

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 75, 105, 135, 147, 175, 189, 225, 245, 315, 441, 525, 675, 735, 945, 1225, 1323, 1575, 2205, 3675, 4725, 6615, 11025, 33075, 610523, 1831569, 3052615, 4273661, 5494707, 9157845, 12820983, 15263075, 16484121, 21368305, 27473535, 29915627, 38462949, 45789225, 64104915, 82420605, 89746881, 106841525, 115388847, 137367675, 149578135, 192314745, 269240643, 320524575, 412103025, 448734405, 576944235, 747890675, 807721929, 961573725, 1346203215, 2243672025, 2884721175, 4038609645, 6731016075, 20193048225]

約数ペア:

[(1, 20193048225), (3, 6731016075), (5, 4038609645), (7, 2884721175), (9, 2243672025), (15, 1346203215), (21, 961573725), (25, 807721929), (27, 747890675), (35, 576944235), (45, 448734405), (49, 412103025), (63, 320524575), (75, 269240643), (105, 192314745), (135, 149578135), (147, 137367675), (175, 115388847), (189, 106841525), (225, 89746881), (245, 82420605), (315, 64104915), (441, 45789225), (525, 38462949), (675, 29915627), (735, 27473535), (945, 21368305), (1225, 16484121), (1323, 15263075), (1575, 12820983), (2205, 9157845), (3675, 5494707), (4725, 4273661), (6615, 3052615), (11025, 1831569), (33075, 610523)]