20799756

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:723

約数の個数: 72

約数和(自身を含む): 56609280

約数和(自身を除く): 35809524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 47, 57, 76, 94, 114, 141, 171, 188, 228, 282, 342, 423, 564, 647, 684, 846, 893, 1294, 1692, 1786, 1941, 2588, 2679, 3572, 3882, 5358, 5823, 7764, 8037, 10716, 11646, 12293, 16074, 23292, 24586, 30409, 32148, 36879, 49172, 60818, 73758, 91227, 110637, 121636, 147516, 182454, 221274, 273681, 364908, 442548, 547362, 577771, 1094724, 1155542, 1733313, 2311084, 3466626, 5199939, 6933252, 10399878, 20799756]

約数ペア:

[(1, 20799756), (2, 10399878), (3, 6933252), (4, 5199939), (6, 3466626), (9, 2311084), (12, 1733313), (18, 1155542), (19, 1094724), (36, 577771), (38, 547362), (47, 442548), (57, 364908), (76, 273681), (94, 221274), (114, 182454), (141, 147516), (171, 121636), (188, 110637), (228, 91227), (282, 73758), (342, 60818), (423, 49172), (564, 36879), (647, 32148), (684, 30409), (846, 24586), (893, 23292), (1294, 16074), (1692, 12293), (1786, 11646), (1941, 10716), (2588, 8037), (2679, 7764), (3572, 5823), (3882, 5358)]