20177181640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{863}}^1\times {\mathrm{7591}}^1$

素因数の和:8483

約数の個数: 128

約数和(自身を含む): 56673976320

約数和(自身を除く): 36496794680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 863, 1540, 1726, 3080, 3452, 4315, 6041, 6904, 7591, 8630, 9493, 12082, 15182, 17260, 18986, 24164, 30205, 30364, 34520, 37955, 37972, 47465, 48328, 53137, 60410, 60728, 66451, 75910, 75944, 83501, 94930, 106274, 120820, 132902, 151820, 167002, 189860, 212548, 241640, 265685, 265804, 303640, 332255, 334004, 379720, 417505, 425096, 531370, 531608, 584507, 664510, 668008, 835010, 1062740, 1169014, 1329020, 1670020, 2125480, 2338028, 2658040, 2922535, 3340040, 4676056, 5845070, 6551033, 11690140, 13102066, 23380280, 26204132, 32755165, 45857231, 52408264, 65510330, 72061363, 91714462, 131020660, 144122726, 183428924, 229286155, 262041320, 288245452, 360306815, 366857848, 458572310, 504429541, 576490904, 720613630, 917144620, 1008859082, 1441227260, 1834289240, 2017718164, 2522147705, 2882454520, 4035436328, 5044295410, 10088590820, 20177181640]

約数ペア:

[(1, 20177181640), (2, 10088590820), (4, 5044295410), (5, 4035436328), (7, 2882454520), (8, 2522147705), (10, 2017718164), (11, 1834289240), (14, 1441227260), (20, 1008859082), (22, 917144620), (28, 720613630), (35, 576490904), (40, 504429541), (44, 458572310), (55, 366857848), (56, 360306815), (70, 288245452), (77, 262041320), (88, 229286155), (110, 183428924), (140, 144122726), (154, 131020660), (220, 91714462), (280, 72061363), (308, 65510330), (385, 52408264), (440, 45857231), (616, 32755165), (770, 26204132), (863, 23380280), (1540, 13102066), (1726, 11690140), (3080, 6551033), (3452, 5845070), (4315, 4676056), (6041, 3340040), (6904, 2922535), (7591, 2658040), (8630, 2338028), (9493, 2125480), (12082, 1670020), (15182, 1329020), (17260, 1169014), (18986, 1062740), (24164, 835010), (30205, 668008), (30364, 664510), (34520, 584507), (37955, 531608), (37972, 531370), (47465, 425096), (48328, 417505), (53137, 379720), (60410, 334004), (60728, 332255), (66451, 303640), (75910, 265804), (75944, 265685), (83501, 241640), (94930, 212548), (106274, 189860), (120820, 167002), (132902, 151820)]