20455998

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:337

約数の個数: 48

約数和(自身を含む): 44561664

約数和(自身を除く): 24105666

約数列:

[1, 2, 3, 6, 17, 34, 47, 51, 94, 102, 141, 251, 282, 289, 502, 578, 753, 799, 867, 1506, 1598, 1734, 2397, 4267, 4794, 8534, 11797, 12801, 13583, 23594, 25602, 27166, 35391, 40749, 70782, 72539, 81498, 145078, 200549, 217617, 401098, 435234, 601647, 1203294, 3409333, 6818666, 10227999, 20455998]

約数ペア:

[(1, 20455998), (2, 10227999), (3, 6818666), (6, 3409333), (17, 1203294), (34, 601647), (47, 435234), (51, 401098), (94, 217617), (102, 200549), (141, 145078), (251, 81498), (282, 72539), (289, 70782), (502, 40749), (578, 35391), (753, 27166), (799, 25602), (867, 23594), (1506, 13583), (1598, 12801), (1734, 11797), (2397, 8534), (4267, 4794)]