20727406

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{293}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 37029888

約数和(自身を除く): 16302482

約数列:

[1, 2, 7, 14, 31, 62, 163, 217, 293, 326, 434, 586, 1141, 2051, 2282, 4102, 5053, 9083, 10106, 18166, 35371, 47759, 63581, 70742, 95518, 127162, 334313, 668626, 1480529, 2961058, 10363703, 20727406]

約数ペア:

[(1, 20727406), (2, 10363703), (7, 2961058), (14, 1480529), (31, 668626), (62, 334313), (163, 127162), (217, 95518), (293, 70742), (326, 63581), (434, 47759), (586, 35371), (1141, 18166), (2051, 10106), (2282, 9083), (4102, 5053)]