20523456

素因数分解:

$2^6\times 3^4\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:168

約数の個数: 140

約数和(自身を含む): 63066168

約数和(自身を除く): 42542712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 37, 48, 54, 64, 72, 74, 81, 96, 107, 108, 111, 144, 148, 162, 192, 214, 216, 222, 288, 296, 321, 324, 333, 428, 432, 444, 576, 592, 642, 648, 666, 856, 864, 888, 963, 999, 1184, 1284, 1296, 1332, 1712, 1728, 1776, 1926, 1998, 2368, 2568, 2592, 2664, 2889, 2997, 3424, 3552, 3852, 3959, 3996, 5136, 5184, 5328, 5778, 5994, 6848, 7104, 7704, 7918, 7992, 8667, 10272, 10656, 11556, 11877, 11988, 15408, 15836, 15984, 17334, 20544, 21312, 23112, 23754, 23976, 30816, 31672, 31968, 34668, 35631, 46224, 47508, 47952, 61632, 63344, 63936, 69336, 71262, 92448, 95016, 95904, 106893, 126688, 138672, 142524, 184896, 190032, 191808, 213786, 253376, 277344, 285048, 320679, 380064, 427572, 554688, 570096, 641358, 760128, 855144, 1140192, 1282716, 1710288, 2280384, 2565432, 3420576, 5130864, 6841152, 10261728, 20523456]

約数ペア:

[(1, 20523456), (2, 10261728), (3, 6841152), (4, 5130864), (6, 3420576), (8, 2565432), (9, 2280384), (12, 1710288), (16, 1282716), (18, 1140192), (24, 855144), (27, 760128), (32, 641358), (36, 570096), (37, 554688), (48, 427572), (54, 380064), (64, 320679), (72, 285048), (74, 277344), (81, 253376), (96, 213786), (107, 191808), (108, 190032), (111, 184896), (144, 142524), (148, 138672), (162, 126688), (192, 106893), (214, 95904), (216, 95016), (222, 92448), (288, 71262), (296, 69336), (321, 63936), (324, 63344), (333, 61632), (428, 47952), (432, 47508), (444, 46224), (576, 35631), (592, 34668), (642, 31968), (648, 31672), (666, 30816), (856, 23976), (864, 23754), (888, 23112), (963, 21312), (999, 20544), (1184, 17334), (1284, 15984), (1296, 15836), (1332, 15408), (1712, 11988), (1728, 11877), (1776, 11556), (1926, 10656), (1998, 10272), (2368, 8667), (2568, 7992), (2592, 7918), (2664, 7704), (2889, 7104), (2997, 6848), (3424, 5994), (3552, 5778), (3852, 5328), (3959, 5184), (3996, 5136)]