20782234

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 35381952

約数和(自身を除く): 14599718

約数列:

[1, 2, 11, 22, 37, 74, 121, 211, 242, 407, 422, 814, 1331, 2321, 2662, 4477, 4642, 7807, 8954, 15614, 25531, 49247, 51062, 85877, 98494, 171754, 280841, 561682, 944647, 1889294, 10391117, 20782234]

約数ペア:

[(1, 20782234), (2, 10391117), (11, 1889294), (22, 944647), (37, 561682), (74, 280841), (121, 171754), (211, 98494), (242, 85877), (407, 51062), (422, 49247), (814, 25531), (1331, 15614), (2321, 8954), (2662, 7807), (4477, 4642)]