20178587552

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{1549}}^1\times {\mathrm{9929}}^1$

素因数の和:11529

約数の個数: 48

約数和(自身を含む): 40725909000

約数和(自身を除く): 20547321448

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 1549, 3098, 6196, 9929, 12392, 19858, 24784, 39716, 49568, 63509, 79432, 127018, 158864, 254036, 317728, 407089, 508072, 814178, 1016144, 1628356, 2032288, 3256712, 6513424, 13026848, 15380021, 30760042, 61520084, 123040168, 246080336, 492160672, 630580861, 1261161722, 2522323444, 5044646888, 10089293776, 20178587552]

約数ペア:

[(1, 20178587552), (2, 10089293776), (4, 5044646888), (8, 2522323444), (16, 1261161722), (32, 630580861), (41, 492160672), (82, 246080336), (164, 123040168), (328, 61520084), (656, 30760042), (1312, 15380021), (1549, 13026848), (3098, 6513424), (6196, 3256712), (9929, 2032288), (12392, 1628356), (19858, 1016144), (24784, 814178), (39716, 508072), (49568, 407089), (63509, 317728), (79432, 254036), (127018, 158864)]