20804513488

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{136027}}^1$

素因数の和:136136

約数の個数: 60

約数和(自身を含む): 44867475520

約数和(自身を除く): 24062962032

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 79, 88, 121, 158, 176, 242, 316, 484, 632, 869, 968, 1264, 1738, 1936, 3476, 6952, 9559, 13904, 19118, 38236, 76472, 136027, 152944, 272054, 544108, 1088216, 1496297, 2176432, 2992594, 5985188, 10746133, 11970376, 16459267, 21492266, 23940752, 32918534, 42984532, 65837068, 85969064, 118207463, 131674136, 171938128, 236414926, 263348272, 472829852, 945659704, 1300282093, 1891319408, 2600564186, 5201128372, 10402256744, 20804513488]

約数ペア:

[(1, 20804513488), (2, 10402256744), (4, 5201128372), (8, 2600564186), (11, 1891319408), (16, 1300282093), (22, 945659704), (44, 472829852), (79, 263348272), (88, 236414926), (121, 171938128), (158, 131674136), (176, 118207463), (242, 85969064), (316, 65837068), (484, 42984532), (632, 32918534), (869, 23940752), (968, 21492266), (1264, 16459267), (1738, 11970376), (1936, 10746133), (3476, 5985188), (6952, 2992594), (9559, 2176432), (13904, 1496297), (19118, 1088216), (38236, 544108), (76472, 272054), (136027, 152944)]