20561350612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{443}}^1\times {\mathrm{941}}^1$

素因数の和:1477

約数の個数: 96

約数和(自身を含む): 42159398400

約数和(自身を除く): 21598047788

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 59, 76, 118, 209, 236, 418, 443, 649, 836, 886, 941, 1121, 1298, 1772, 1882, 2242, 2596, 3764, 4484, 4873, 8417, 9746, 10351, 12331, 16834, 17879, 19492, 20702, 24662, 26137, 33668, 35758, 41404, 49324, 52274, 55519, 71516, 92587, 104548, 111038, 185174, 196669, 222076, 287507, 370348, 393338, 416863, 496603, 575014, 610709, 786676, 833726, 993206, 1054861, 1150028, 1221418, 1667452, 1986412, 2109722, 2442836, 4219444, 4585493, 5462633, 7920397, 9170986, 10925266, 11603471, 15840794, 18341972, 21850532, 23206942, 24594917, 31681588, 46413884, 49189834, 87124367, 98379668, 174248734, 270544087, 348497468, 467303423, 541088174, 934606846, 1082176348, 1869213692, 5140337653, 10280675306, 20561350612]

約数ペア:

[(1, 20561350612), (2, 10280675306), (4, 5140337653), (11, 1869213692), (19, 1082176348), (22, 934606846), (38, 541088174), (44, 467303423), (59, 348497468), (76, 270544087), (118, 174248734), (209, 98379668), (236, 87124367), (418, 49189834), (443, 46413884), (649, 31681588), (836, 24594917), (886, 23206942), (941, 21850532), (1121, 18341972), (1298, 15840794), (1772, 11603471), (1882, 10925266), (2242, 9170986), (2596, 7920397), (3764, 5462633), (4484, 4585493), (4873, 4219444), (8417, 2442836), (9746, 2109722), (10351, 1986412), (12331, 1667452), (16834, 1221418), (17879, 1150028), (19492, 1054861), (20702, 993206), (24662, 833726), (26137, 786676), (33668, 610709), (35758, 575014), (41404, 496603), (49324, 416863), (52274, 393338), (55519, 370348), (71516, 287507), (92587, 222076), (104548, 196669), (111038, 185174)]