20451392

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1$

素因数の和:595

約数の個数: 56

約数和(自身を含む): 44720256

約数和(自身を除く): 24268864

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 64, 94, 104, 188, 208, 376, 416, 523, 611, 752, 832, 1046, 1222, 1504, 2092, 2444, 3008, 4184, 4888, 6799, 8368, 9776, 13598, 16736, 19552, 24581, 27196, 33472, 39104, 49162, 54392, 98324, 108784, 196648, 217568, 319553, 393296, 435136, 639106, 786592, 1278212, 1573184, 2556424, 5112848, 10225696, 20451392]

約数ペア:

[(1, 20451392), (2, 10225696), (4, 5112848), (8, 2556424), (13, 1573184), (16, 1278212), (26, 786592), (32, 639106), (47, 435136), (52, 393296), (64, 319553), (94, 217568), (104, 196648), (188, 108784), (208, 98324), (376, 54392), (416, 49162), (523, 39104), (611, 33472), (752, 27196), (832, 24581), (1046, 19552), (1222, 16736), (1504, 13598), (2092, 9776), (2444, 8368), (3008, 6799), (4184, 4888)]