20121207504

素因数分解:

$2^4\times 3^1\times {\mathrm{313}}^1\times {\mathrm{1039}}^1\times {\mathrm{1289}}^1$

素因数の和:2652

約数の個数: 80

約数和(自身を含む): 52236537600

約数和(自身を除く): 32115330096

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 313, 626, 939, 1039, 1252, 1289, 1878, 2078, 2504, 2578, 3117, 3756, 3867, 4156, 5008, 5156, 6234, 7512, 7734, 8312, 10312, 12468, 15024, 15468, 16624, 20624, 24936, 30936, 49872, 61872, 325207, 403457, 650414, 806914, 975621, 1210371, 1300828, 1339271, 1613828, 1951242, 2420742, 2601656, 2678542, 3227656, 3902484, 4017813, 4841484, 5203312, 5357084, 6455312, 7804968, 8035626, 9682968, 10714168, 15609936, 16071252, 19365936, 21428336, 32142504, 64285008, 419191823, 838383646, 1257575469, 1676767292, 2515150938, 3353534584, 5030301876, 6707069168, 10060603752, 20121207504]

約数ペア:

[(1, 20121207504), (2, 10060603752), (3, 6707069168), (4, 5030301876), (6, 3353534584), (8, 2515150938), (12, 1676767292), (16, 1257575469), (24, 838383646), (48, 419191823), (313, 64285008), (626, 32142504), (939, 21428336), (1039, 19365936), (1252, 16071252), (1289, 15609936), (1878, 10714168), (2078, 9682968), (2504, 8035626), (2578, 7804968), (3117, 6455312), (3756, 5357084), (3867, 5203312), (4156, 4841484), (5008, 4017813), (5156, 3902484), (6234, 3227656), (7512, 2678542), (7734, 2601656), (8312, 2420742), (10312, 1951242), (12468, 1613828), (15024, 1339271), (15468, 1300828), (16624, 1210371), (20624, 975621), (24936, 806914), (30936, 650414), (49872, 403457), (61872, 325207)]