20198784

素因数分解:

$2^7\times 3^1\times {\mathrm{23}}^1\times {\mathrm{2287}}^1$

素因数の和:2327

約数の個数: 64

約数和(自身を含む): 56010240

約数和(自身を除く): 35811456

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 276, 368, 384, 552, 736, 1104, 1472, 2208, 2287, 2944, 4416, 4574, 6861, 8832, 9148, 13722, 18296, 27444, 36592, 52601, 54888, 73184, 105202, 109776, 146368, 157803, 210404, 219552, 292736, 315606, 420808, 439104, 631212, 841616, 878208, 1262424, 1683232, 2524848, 3366464, 5049696, 6732928, 10099392, 20198784]

約数ペア:

[(1, 20198784), (2, 10099392), (3, 6732928), (4, 5049696), (6, 3366464), (8, 2524848), (12, 1683232), (16, 1262424), (23, 878208), (24, 841616), (32, 631212), (46, 439104), (48, 420808), (64, 315606), (69, 292736), (92, 219552), (96, 210404), (128, 157803), (138, 146368), (184, 109776), (192, 105202), (276, 73184), (368, 54888), (384, 52601), (552, 36592), (736, 27444), (1104, 18296), (1472, 13722), (2208, 9148), (2287, 8832), (2944, 6861), (4416, 4574)]