20806909452

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{431}}^1\times {\mathrm{63857}}^1$

素因数の和:64308

約数の個数: 96

約数和(自身を含む): 61794109440

約数和(自身を除く): 40987199988

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 431, 756, 862, 1293, 1724, 2586, 3017, 3879, 5172, 6034, 7758, 9051, 11637, 12068, 15516, 18102, 23274, 27153, 36204, 46548, 54306, 63857, 81459, 108612, 127714, 162918, 191571, 255428, 325836, 383142, 446999, 574713, 766284, 893998, 1149426, 1340997, 1724139, 1787996, 2298852, 2681994, 3448278, 4022991, 5363988, 6896556, 8045982, 12068973, 16091964, 24137946, 27522367, 48275892, 55044734, 82567101, 110089468, 165134202, 192656569, 247701303, 330268404, 385313138, 495402606, 577969707, 743103909, 770626276, 990805212, 1155939414, 1486207818, 1733909121, 2311878828, 2972415636, 3467818242, 5201727363, 6935636484, 10403454726, 20806909452]

約数ペア:

[(1, 20806909452), (2, 10403454726), (3, 6935636484), (4, 5201727363), (6, 3467818242), (7, 2972415636), (9, 2311878828), (12, 1733909121), (14, 1486207818), (18, 1155939414), (21, 990805212), (27, 770626276), (28, 743103909), (36, 577969707), (42, 495402606), (54, 385313138), (63, 330268404), (84, 247701303), (108, 192656569), (126, 165134202), (189, 110089468), (252, 82567101), (378, 55044734), (431, 48275892), (756, 27522367), (862, 24137946), (1293, 16091964), (1724, 12068973), (2586, 8045982), (3017, 6896556), (3879, 5363988), (5172, 4022991), (6034, 3448278), (7758, 2681994), (9051, 2298852), (11637, 1787996), (12068, 1724139), (15516, 1340997), (18102, 1149426), (23274, 893998), (27153, 766284), (36204, 574713), (46548, 446999), (54306, 383142), (63857, 325836), (81459, 255428), (108612, 191571), (127714, 162918)]