20900142

素因数分解:

$2^1\times 3^2\times {\mathrm{103}}^1\times {\mathrm{11273}}^1$

素因数の和:11384

約数の個数: 24

約数和(自身を含む): 45727344

約数和(自身を除く): 24827202

約数列:

[1, 2, 3, 6, 9, 18, 103, 206, 309, 618, 927, 1854, 11273, 22546, 33819, 67638, 101457, 202914, 1161119, 2322238, 3483357, 6966714, 10450071, 20900142]

約数ペア:

[(1, 20900142), (2, 10450071), (3, 6966714), (6, 3483357), (9, 2322238), (18, 1161119), (103, 202914), (206, 101457), (309, 67638), (618, 33819), (927, 22546), (1854, 11273)]