20329572

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 48771072

約数和(自身を除く): 28441500

約数列:

[1, 2, 3, 4, 6, 12, 71, 107, 142, 213, 214, 223, 284, 321, 426, 428, 446, 642, 669, 852, 892, 1284, 1338, 2676, 7597, 15194, 15833, 22791, 23861, 30388, 31666, 45582, 47499, 47722, 63332, 71583, 91164, 94998, 95444, 143166, 189996, 286332, 1694131, 3388262, 5082393, 6776524, 10164786, 20329572]

約数ペア:

[(1, 20329572), (2, 10164786), (3, 6776524), (4, 5082393), (6, 3388262), (12, 1694131), (71, 286332), (107, 189996), (142, 143166), (213, 95444), (214, 94998), (223, 91164), (284, 71583), (321, 63332), (426, 47722), (428, 47499), (446, 45582), (642, 31666), (669, 30388), (852, 23861), (892, 22791), (1284, 15833), (1338, 15194), (2676, 7597)]