20211480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2441}}^1$

素因数の和:2481

約数の個数: 96

約数和(自身を含む): 68571360

約数和(自身を除く): 48359880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2441, 2760, 4140, 4882, 7323, 8280, 9764, 12205, 14646, 19528, 21969, 24410, 29292, 36615, 43938, 48820, 56143, 58584, 73230, 87876, 97640, 109845, 112286, 146460, 168429, 175752, 219690, 224572, 280715, 292920, 336858, 439380, 449144, 505287, 561430, 673716, 842145, 878760, 1010574, 1122860, 1347432, 1684290, 2021148, 2245720, 2526435, 3368580, 4042296, 5052870, 6737160, 10105740, 20211480]

約数ペア:

[(1, 20211480), (2, 10105740), (3, 6737160), (4, 5052870), (5, 4042296), (6, 3368580), (8, 2526435), (9, 2245720), (10, 2021148), (12, 1684290), (15, 1347432), (18, 1122860), (20, 1010574), (23, 878760), (24, 842145), (30, 673716), (36, 561430), (40, 505287), (45, 449144), (46, 439380), (60, 336858), (69, 292920), (72, 280715), (90, 224572), (92, 219690), (115, 175752), (120, 168429), (138, 146460), (180, 112286), (184, 109845), (207, 97640), (230, 87876), (276, 73230), (345, 58584), (360, 56143), (414, 48820), (460, 43938), (552, 36615), (690, 29292), (828, 24410), (920, 21969), (1035, 19528), (1380, 14646), (1656, 12205), (2070, 9764), (2441, 8280), (2760, 7323), (4140, 4882)]