20147984654

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1\times {\mathrm{443}}^1$

素因数の和:969

約数の個数: 64

約数和(自身を含む): 35413894656

約数和(自身を除く): 15265910002

約数列:

[1, 2, 7, 14, 97, 107, 194, 214, 313, 443, 626, 679, 749, 886, 1358, 1498, 2191, 3101, 4382, 6202, 10379, 20758, 30361, 33491, 42971, 47401, 60722, 66982, 72653, 85942, 94802, 138659, 145306, 212527, 234437, 277318, 300797, 331807, 425054, 468874, 601594, 663614, 970613, 1941226, 3248627, 4597897, 6497254, 9195794, 13449923, 14836513, 22740389, 26899846, 29673026, 32185279, 45480778, 64370558, 94149461, 103855591, 188298922, 207711182, 1439141761, 2878283522, 10073992327, 20147984654]

約数ペア:

[(1, 20147984654), (2, 10073992327), (7, 2878283522), (14, 1439141761), (97, 207711182), (107, 188298922), (194, 103855591), (214, 94149461), (313, 64370558), (443, 45480778), (626, 32185279), (679, 29673026), (749, 26899846), (886, 22740389), (1358, 14836513), (1498, 13449923), (2191, 9195794), (3101, 6497254), (4382, 4597897), (6202, 3248627), (10379, 1941226), (20758, 970613), (30361, 663614), (33491, 601594), (42971, 468874), (47401, 425054), (60722, 331807), (66982, 300797), (72653, 277318), (85942, 234437), (94802, 212527), (138659, 145306)]