2020072720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1$

素因数の和:413

約数の個数: 160

約数和(自身を含む): 5060970720

約数和(自身を除く): 3040898000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 37, 40, 58, 74, 80, 101, 116, 145, 148, 185, 202, 232, 233, 290, 296, 370, 404, 464, 466, 505, 580, 592, 740, 808, 932, 1010, 1073, 1160, 1165, 1480, 1616, 1864, 2020, 2146, 2320, 2330, 2929, 2960, 3728, 3737, 4040, 4292, 4660, 5365, 5858, 6757, 7474, 8080, 8584, 8621, 9320, 10730, 11716, 13514, 14645, 14948, 17168, 17242, 18640, 18685, 21460, 23432, 23533, 27028, 29290, 29896, 33785, 34484, 37370, 42920, 43105, 46864, 47066, 54056, 58580, 59792, 67570, 68968, 74740, 85840, 86210, 94132, 108112, 108373, 117160, 117665, 135140, 137936, 149480, 172420, 188264, 216746, 234320, 235330, 250009, 270280, 298960, 344840, 376528, 433492, 470660, 500018, 540560, 541865, 682457, 689680, 866984, 870721, 941320, 1000036, 1083730, 1250045, 1364914, 1733968, 1741442, 1882640, 2000072, 2167460, 2500090, 2729828, 3412285, 3482884, 4000144, 4334920, 4353605, 5000180, 5459656, 6824570, 6965768, 8669840, 8707210, 10000360, 10919312, 13649140, 13931536, 17414420, 20000720, 25250909, 27298280, 34828840, 50501818, 54596560, 69657680, 101003636, 126254545, 202007272, 252509090, 404014544, 505018180, 1010036360, 2020072720]

約数ペア:

[(1, 2020072720), (2, 1010036360), (4, 505018180), (5, 404014544), (8, 252509090), (10, 202007272), (16, 126254545), (20, 101003636), (29, 69657680), (37, 54596560), (40, 50501818), (58, 34828840), (74, 27298280), (80, 25250909), (101, 20000720), (116, 17414420), (145, 13931536), (148, 13649140), (185, 10919312), (202, 10000360), (232, 8707210), (233, 8669840), (290, 6965768), (296, 6824570), (370, 5459656), (404, 5000180), (464, 4353605), (466, 4334920), (505, 4000144), (580, 3482884), (592, 3412285), (740, 2729828), (808, 2500090), (932, 2167460), (1010, 2000072), (1073, 1882640), (1160, 1741442), (1165, 1733968), (1480, 1364914), (1616, 1250045), (1864, 1083730), (2020, 1000036), (2146, 941320), (2320, 870721), (2330, 866984), (2929, 689680), (2960, 682457), (3728, 541865), (3737, 540560), (4040, 500018), (4292, 470660), (4660, 433492), (5365, 376528), (5858, 344840), (6757, 298960), (7474, 270280), (8080, 250009), (8584, 235330), (8621, 234320), (9320, 216746), (10730, 188264), (11716, 172420), (13514, 149480), (14645, 137936), (14948, 135140), (17168, 117665), (17242, 117160), (18640, 108373), (18685, 108112), (21460, 94132), (23432, 86210), (23533, 85840), (27028, 74740), (29290, 68968), (29896, 67570), (33785, 59792), (34484, 58580), (37370, 54056), (42920, 47066), (43105, 46864)]