20811972

素因数分解:

$2^2\times 3^1\times {\mathrm{179}}^1\times {\mathrm{9689}}^1$

素因数の和:9875

約数の個数: 24

約数和(自身を含む): 48837600

約数和(自身を除く): 28025628

約数列:

[1, 2, 3, 4, 6, 12, 179, 358, 537, 716, 1074, 2148, 9689, 19378, 29067, 38756, 58134, 116268, 1734331, 3468662, 5202993, 6937324, 10405986, 20811972]

約数ペア:

[(1, 20811972), (2, 10405986), (3, 6937324), (4, 5202993), (6, 3468662), (12, 1734331), (179, 116268), (358, 58134), (537, 38756), (716, 29067), (1074, 19378), (2148, 9689)]