20121089140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{9103}}^1$

素因数の和:9281

約数の個数: 96

約数和(自身を含む): 45333550080

約数和(自身を除く): 25212460940

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 103, 116, 145, 148, 185, 206, 290, 370, 412, 515, 580, 740, 1030, 1073, 2060, 2146, 2987, 3811, 4292, 5365, 5974, 7622, 9103, 10730, 11948, 14935, 15244, 18206, 19055, 21460, 29870, 36412, 38110, 45515, 59740, 76220, 91030, 110519, 182060, 221038, 263987, 336811, 442076, 527974, 552595, 673622, 937609, 1055948, 1105190, 1319935, 1347244, 1684055, 1875218, 2210380, 2639870, 3368110, 3750436, 4688045, 5279740, 6736220, 9376090, 9767519, 18752180, 19535038, 27190661, 34691533, 39070076, 48837595, 54381322, 69383066, 97675190, 108762644, 135953305, 138766132, 173457665, 195350380, 271906610, 346915330, 543813220, 693830660, 1006054457, 2012108914, 4024217828, 5030272285, 10060544570, 20121089140]

約数ペア:

[(1, 20121089140), (2, 10060544570), (4, 5030272285), (5, 4024217828), (10, 2012108914), (20, 1006054457), (29, 693830660), (37, 543813220), (58, 346915330), (74, 271906610), (103, 195350380), (116, 173457665), (145, 138766132), (148, 135953305), (185, 108762644), (206, 97675190), (290, 69383066), (370, 54381322), (412, 48837595), (515, 39070076), (580, 34691533), (740, 27190661), (1030, 19535038), (1073, 18752180), (2060, 9767519), (2146, 9376090), (2987, 6736220), (3811, 5279740), (4292, 4688045), (5365, 3750436), (5974, 3368110), (7622, 2639870), (9103, 2210380), (10730, 1875218), (11948, 1684055), (14935, 1347244), (15244, 1319935), (18206, 1105190), (19055, 1055948), (21460, 937609), (29870, 673622), (36412, 552595), (38110, 527974), (45515, 442076), (59740, 336811), (76220, 263987), (91030, 221038), (110519, 182060)]