20120635240

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:623

約数の個数: 128

約数和(自身を含む): 46521630720

約数和(自身を除く): 26400995480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 151, 163, 191, 214, 302, 326, 382, 428, 535, 604, 652, 755, 764, 815, 856, 955, 1070, 1208, 1304, 1510, 1528, 1630, 1910, 2140, 3020, 3260, 3820, 4280, 6040, 6520, 7640, 16157, 17441, 20437, 24613, 28841, 31133, 32314, 34882, 40874, 49226, 57682, 62266, 64628, 69764, 80785, 81748, 87205, 98452, 102185, 115364, 123065, 124532, 129256, 139528, 144205, 155665, 161570, 163496, 174410, 196904, 204370, 230728, 246130, 249064, 288410, 311330, 323140, 348820, 408740, 492260, 576820, 622660, 646280, 697640, 817480, 984520, 1153640, 1245320, 2633591, 3085987, 3331231, 4701083, 5267182, 6171974, 6662462, 9402166, 10534364, 12343948, 13167955, 13324924, 15429935, 16656155, 18804332, 21068728, 23505415, 24687896, 26335910, 26649848, 30859870, 33312310, 37608664, 47010830, 52671820, 61719740, 66624620, 94021660, 105343640, 123439480, 133249240, 188043320, 503015881, 1006031762, 2012063524, 2515079405, 4024127048, 5030158810, 10060317620, 20120635240]

約数ペア:

[(1, 20120635240), (2, 10060317620), (4, 5030158810), (5, 4024127048), (8, 2515079405), (10, 2012063524), (20, 1006031762), (40, 503015881), (107, 188043320), (151, 133249240), (163, 123439480), (191, 105343640), (214, 94021660), (302, 66624620), (326, 61719740), (382, 52671820), (428, 47010830), (535, 37608664), (604, 33312310), (652, 30859870), (755, 26649848), (764, 26335910), (815, 24687896), (856, 23505415), (955, 21068728), (1070, 18804332), (1208, 16656155), (1304, 15429935), (1510, 13324924), (1528, 13167955), (1630, 12343948), (1910, 10534364), (2140, 9402166), (3020, 6662462), (3260, 6171974), (3820, 5267182), (4280, 4701083), (6040, 3331231), (6520, 3085987), (7640, 2633591), (16157, 1245320), (17441, 1153640), (20437, 984520), (24613, 817480), (28841, 697640), (31133, 646280), (32314, 622660), (34882, 576820), (40874, 492260), (49226, 408740), (57682, 348820), (62266, 323140), (64628, 311330), (69764, 288410), (80785, 249064), (81748, 246130), (87205, 230728), (98452, 204370), (102185, 196904), (115364, 174410), (123065, 163496), (124532, 161570), (129256, 155665), (139528, 144205)]