20544160

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:135

約数の個数: 192

約数和(自身を含む): 64012032

約数和(自身を除く): 43467872

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 32, 34, 35, 40, 52, 56, 65, 68, 70, 80, 83, 85, 91, 104, 112, 119, 130, 136, 140, 160, 166, 170, 182, 208, 221, 224, 238, 260, 272, 280, 332, 340, 364, 415, 416, 442, 455, 476, 520, 544, 560, 581, 595, 664, 680, 728, 830, 884, 910, 952, 1040, 1079, 1105, 1120, 1162, 1190, 1328, 1360, 1411, 1456, 1547, 1660, 1768, 1820, 1904, 2080, 2158, 2210, 2324, 2380, 2656, 2720, 2822, 2905, 2912, 3094, 3320, 3536, 3640, 3808, 4316, 4420, 4648, 4760, 5395, 5644, 5810, 6188, 6640, 7055, 7072, 7280, 7553, 7735, 8632, 8840, 9296, 9520, 9877, 10790, 11288, 11620, 12376, 13280, 14110, 14560, 15106, 15470, 17264, 17680, 18343, 18592, 19040, 19754, 21580, 22576, 23240, 24752, 28220, 30212, 30940, 34528, 35360, 36686, 37765, 39508, 43160, 45152, 46480, 49385, 49504, 56440, 60424, 61880, 73372, 75530, 79016, 86320, 91715, 92960, 98770, 112880, 120848, 123760, 128401, 146744, 151060, 158032, 172640, 183430, 197540, 225760, 241696, 247520, 256802, 293488, 302120, 316064, 366860, 395080, 513604, 586976, 604240, 642005, 733720, 790160, 1027208, 1208480, 1284010, 1467440, 1580320, 2054416, 2568020, 2934880, 4108832, 5136040, 10272080, 20544160]

約数ペア:

[(1, 20544160), (2, 10272080), (4, 5136040), (5, 4108832), (7, 2934880), (8, 2568020), (10, 2054416), (13, 1580320), (14, 1467440), (16, 1284010), (17, 1208480), (20, 1027208), (26, 790160), (28, 733720), (32, 642005), (34, 604240), (35, 586976), (40, 513604), (52, 395080), (56, 366860), (65, 316064), (68, 302120), (70, 293488), (80, 256802), (83, 247520), (85, 241696), (91, 225760), (104, 197540), (112, 183430), (119, 172640), (130, 158032), (136, 151060), (140, 146744), (160, 128401), (166, 123760), (170, 120848), (182, 112880), (208, 98770), (221, 92960), (224, 91715), (238, 86320), (260, 79016), (272, 75530), (280, 73372), (332, 61880), (340, 60424), (364, 56440), (415, 49504), (416, 49385), (442, 46480), (455, 45152), (476, 43160), (520, 39508), (544, 37765), (560, 36686), (581, 35360), (595, 34528), (664, 30940), (680, 30212), (728, 28220), (830, 24752), (884, 23240), (910, 22576), (952, 21580), (1040, 19754), (1079, 19040), (1105, 18592), (1120, 18343), (1162, 17680), (1190, 17264), (1328, 15470), (1360, 15106), (1411, 14560), (1456, 14110), (1547, 13280), (1660, 12376), (1768, 11620), (1820, 11288), (1904, 10790), (2080, 9877), (2158, 9520), (2210, 9296), (2324, 8840), (2380, 8632), (2656, 7735), (2720, 7553), (2822, 7280), (2905, 7072), (2912, 7055), (3094, 6640), (3320, 6188), (3536, 5810), (3640, 5644), (3808, 5395), (4316, 4760), (4420, 4648)]