206811140

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{63439}}^1$

素因数の和:63611

約数の個数: 24

約数和(自身を含む): 436974720

約数和(自身を除く): 230163580

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 63439, 126878, 253756, 317195, 634390, 1268780, 10340557, 20681114, 41362228, 51702785, 103405570, 206811140]

約数ペア:

[(1, 206811140), (2, 103405570), (4, 51702785), (5, 41362228), (10, 20681114), (20, 10340557), (163, 1268780), (326, 634390), (652, 317195), (815, 253756), (1630, 126878), (3260, 63439)]