20802012

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:551

約数の個数: 96

約数和(自身を含む): 61931520

約数和(自身を除く): 41129508

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 47, 66, 77, 84, 94, 132, 141, 154, 188, 231, 282, 308, 329, 462, 479, 517, 564, 658, 924, 958, 987, 1034, 1316, 1437, 1551, 1916, 1974, 2068, 2874, 3102, 3353, 3619, 3948, 5269, 5748, 6204, 6706, 7238, 10059, 10538, 10857, 13412, 14476, 15807, 20118, 21076, 21714, 22513, 31614, 36883, 40236, 43428, 45026, 63228, 67539, 73766, 90052, 110649, 135078, 147532, 157591, 221298, 247643, 270156, 315182, 442596, 472773, 495286, 630364, 742929, 945546, 990572, 1485858, 1733501, 1891092, 2971716, 3467002, 5200503, 6934004, 10401006, 20802012]

約数ペア:

[(1, 20802012), (2, 10401006), (3, 6934004), (4, 5200503), (6, 3467002), (7, 2971716), (11, 1891092), (12, 1733501), (14, 1485858), (21, 990572), (22, 945546), (28, 742929), (33, 630364), (42, 495286), (44, 472773), (47, 442596), (66, 315182), (77, 270156), (84, 247643), (94, 221298), (132, 157591), (141, 147532), (154, 135078), (188, 110649), (231, 90052), (282, 73766), (308, 67539), (329, 63228), (462, 45026), (479, 43428), (517, 40236), (564, 36883), (658, 31614), (924, 22513), (958, 21714), (987, 21076), (1034, 20118), (1316, 15807), (1437, 14476), (1551, 13412), (1916, 10857), (1974, 10538), (2068, 10059), (2874, 7238), (3102, 6706), (3353, 6204), (3619, 5748), (3948, 5269)]