20304141

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:146

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 14532339

約数列:

[1, 3, 11, 13, 19, 33, 39, 47, 53, 57, 141, 143, 159, 209, 247, 429, 517, 583, 611, 627, 689, 741, 893, 1007, 1551, 1749, 1833, 2067, 2491, 2679, 2717, 3021, 6721, 7473, 7579, 8151, 9823, 11077, 11609, 13091, 20163, 22737, 27401, 29469, 32383, 33231, 34827, 39273, 47329, 82203, 97149, 127699, 141987, 144001, 356213, 383097, 432003, 520619, 615277, 1068639, 1561857, 1845831, 6768047, 20304141]

約数ペア:

[(1, 20304141), (3, 6768047), (11, 1845831), (13, 1561857), (19, 1068639), (33, 615277), (39, 520619), (47, 432003), (53, 383097), (57, 356213), (141, 144001), (143, 141987), (159, 127699), (209, 97149), (247, 82203), (429, 47329), (517, 39273), (583, 34827), (611, 33231), (627, 32383), (689, 29469), (741, 27401), (893, 22737), (1007, 20163), (1551, 13091), (1749, 11609), (1833, 11077), (2067, 9823), (2491, 8151), (2679, 7579), (2717, 7473), (3021, 6721)]