20199786

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{487}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 41975808

約数和(自身を除く): 21776022

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 223, 446, 487, 669, 974, 1338, 1461, 2922, 6913, 13826, 15097, 20739, 30194, 41478, 45291, 90582, 108601, 217202, 325803, 651606, 3366631, 6733262, 10099893, 20199786]

約数ペア:

[(1, 20199786), (2, 10099893), (3, 6733262), (6, 3366631), (31, 651606), (62, 325803), (93, 217202), (186, 108601), (223, 90582), (446, 45291), (487, 41478), (669, 30194), (974, 20739), (1338, 15097), (1461, 13826), (2922, 6913)]