20667045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1321}}^1$

素因数の和:1485

約数の個数: 32

約数和(自身を含む): 38073600

約数和(自身を除く): 17406555

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 149, 447, 745, 1043, 1321, 2235, 3129, 3963, 5215, 6605, 9247, 15645, 19815, 27741, 46235, 138705, 196829, 590487, 984145, 1377803, 2952435, 4133409, 6889015, 20667045]

約数ペア:

[(1, 20667045), (3, 6889015), (5, 4133409), (7, 2952435), (15, 1377803), (21, 984145), (35, 590487), (105, 196829), (149, 138705), (447, 46235), (745, 27741), (1043, 19815), (1321, 15645), (2235, 9247), (3129, 6605), (3963, 5215)]