20450710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{631}}^1$

素因数の和:1108

約数の個数: 32

約数和(自身を含む): 42227712

約数和(自身を除く): 21777002

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 463, 631, 926, 1262, 2315, 3155, 3241, 4417, 4630, 6310, 6482, 8834, 16205, 22085, 32410, 44170, 292153, 584306, 1460765, 2045071, 2921530, 4090142, 10225355, 20450710]

約数ペア:

[(1, 20450710), (2, 10225355), (5, 4090142), (7, 2921530), (10, 2045071), (14, 1460765), (35, 584306), (70, 292153), (463, 44170), (631, 32410), (926, 22085), (1262, 16205), (2315, 8834), (3155, 6482), (3241, 6310), (4417, 4630)]