20745894

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{5659}}^1$

素因数の和:5724

約数の個数: 32

約数和(自身を含む): 45642240

約数和(自身を除く): 24896346

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 78, 94, 141, 282, 611, 1222, 1833, 3666, 5659, 11318, 16977, 33954, 73567, 147134, 220701, 265973, 441402, 531946, 797919, 1595838, 3457649, 6915298, 10372947, 20745894]

約数ペア:

[(1, 20745894), (2, 10372947), (3, 6915298), (6, 3457649), (13, 1595838), (26, 797919), (39, 531946), (47, 441402), (78, 265973), (94, 220701), (141, 147134), (282, 73567), (611, 33954), (1222, 16977), (1833, 11318), (3666, 5659)]