20512459812

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{223243}}^1$

素因数の和:223313

約数の個数: 96

約数和(自身を含む): 56007454720

約数和(自身を除く): 35494994908

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 31, 38, 39, 52, 57, 62, 76, 78, 93, 114, 124, 156, 186, 228, 247, 372, 403, 494, 589, 741, 806, 988, 1178, 1209, 1482, 1612, 1767, 2356, 2418, 2964, 3534, 4836, 7068, 7657, 15314, 22971, 30628, 45942, 91884, 223243, 446486, 669729, 892972, 1339458, 2678916, 2902159, 4241617, 5804318, 6920533, 8483234, 8706477, 11608636, 12724851, 13841066, 16966468, 17412954, 20761599, 25449702, 27682132, 34825908, 41523198, 50899404, 55141021, 83046396, 89966929, 110282042, 131490127, 165423063, 179933858, 220564084, 262980254, 269900787, 330846126, 359867716, 394470381, 525960508, 539801574, 661692252, 788940762, 1079603148, 1577881524, 1709371651, 3418743302, 5128114953, 6837486604, 10256229906, 20512459812]

約数ペア:

[(1, 20512459812), (2, 10256229906), (3, 6837486604), (4, 5128114953), (6, 3418743302), (12, 1709371651), (13, 1577881524), (19, 1079603148), (26, 788940762), (31, 661692252), (38, 539801574), (39, 525960508), (52, 394470381), (57, 359867716), (62, 330846126), (76, 269900787), (78, 262980254), (93, 220564084), (114, 179933858), (124, 165423063), (156, 131490127), (186, 110282042), (228, 89966929), (247, 83046396), (372, 55141021), (403, 50899404), (494, 41523198), (589, 34825908), (741, 27682132), (806, 25449702), (988, 20761599), (1178, 17412954), (1209, 16966468), (1482, 13841066), (1612, 12724851), (1767, 11608636), (2356, 8706477), (2418, 8483234), (2964, 6920533), (3534, 5804318), (4836, 4241617), (7068, 2902159), (7657, 2678916), (15314, 1339458), (22971, 892972), (30628, 669729), (45942, 446486), (91884, 223243)]