20803982608

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1\times {\mathrm{797}}^1$

素因数の和:1184

約数の個数: 80

約数和(自身を含む): 41464846080

約数和(自身を除く): 20660863472

約数列:

[1, 2, 4, 8, 16, 79, 107, 158, 193, 214, 316, 386, 428, 632, 772, 797, 856, 1264, 1544, 1594, 1712, 3088, 3188, 6376, 8453, 12752, 15247, 16906, 20651, 30494, 33812, 41302, 60988, 62963, 67624, 82604, 85279, 121976, 125926, 135248, 153821, 165208, 170558, 243952, 251852, 307642, 330416, 341116, 503704, 615284, 682232, 1007408, 1230568, 1364464, 1631429, 2461136, 3262858, 6525716, 6737041, 12151859, 13051432, 13474082, 16458847, 24303718, 26102864, 26948164, 32917694, 48607436, 53896328, 65835388, 97214872, 107792656, 131670776, 194429744, 263341552, 1300248913, 2600497826, 5200995652, 10401991304, 20803982608]

約数ペア:

[(1, 20803982608), (2, 10401991304), (4, 5200995652), (8, 2600497826), (16, 1300248913), (79, 263341552), (107, 194429744), (158, 131670776), (193, 107792656), (214, 97214872), (316, 65835388), (386, 53896328), (428, 48607436), (632, 32917694), (772, 26948164), (797, 26102864), (856, 24303718), (1264, 16458847), (1544, 13474082), (1594, 13051432), (1712, 12151859), (3088, 6737041), (3188, 6525716), (6376, 3262858), (8453, 2461136), (12752, 1631429), (15247, 1364464), (16906, 1230568), (20651, 1007408), (30494, 682232), (33812, 615284), (41302, 503704), (60988, 341116), (62963, 330416), (67624, 307642), (82604, 251852), (85279, 243952), (121976, 170558), (125926, 165208), (135248, 153821)]