20943406

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{2339}}^1$

素因数の和:2400

約数の個数: 24

約数和(自身を含む): 35479080

約数和(自身を除く): 14535674

約数列:

[1, 2, 11, 22, 37, 74, 121, 242, 407, 814, 2339, 4477, 4678, 8954, 25729, 51458, 86543, 173086, 283019, 566038, 951973, 1903946, 10471703, 20943406]

約数ペア:

[(1, 20943406), (2, 10471703), (11, 1903946), (22, 951973), (37, 566038), (74, 283019), (121, 173086), (242, 86543), (407, 51458), (814, 25729), (2339, 8954), (4477, 4678)]