20958738

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 42979200

約数和(自身を除く): 22020462

約数列:

[1, 2, 3, 6, 73, 109, 146, 218, 219, 327, 438, 439, 654, 878, 1317, 2634, 7957, 15914, 23871, 32047, 47742, 47851, 64094, 95702, 96141, 143553, 192282, 287106, 3493123, 6986246, 10479369, 20958738]

約数ペア:

[(1, 20958738), (2, 10479369), (3, 6986246), (6, 3493123), (73, 287106), (109, 192282), (146, 143553), (218, 96141), (219, 95702), (327, 64094), (438, 47851), (439, 47742), (654, 32047), (878, 23871), (1317, 15914), (2634, 7957)]