20144425

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2677}}^1$

素因数の和:2737

約数の個数: 24

約数和(自身を含む): 29222336

約数和(自身を除く): 9077911

約数列:

[1, 5, 7, 25, 35, 43, 175, 215, 301, 1075, 1505, 2677, 7525, 13385, 18739, 66925, 93695, 115111, 468475, 575555, 805777, 2877775, 4028885, 20144425]

約数ペア:

[(1, 20144425), (5, 4028885), (7, 2877775), (25, 805777), (35, 575555), (43, 468475), (175, 115111), (215, 93695), (301, 66925), (1075, 18739), (1505, 13385), (2677, 7525)]