20769490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1103}}^1$

素因数の和:1386

約数の個数: 32

約数和(自身を含む): 42923520

約数和(自身を除く): 22154030

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 269, 538, 1103, 1345, 1883, 2206, 2690, 3766, 5515, 7721, 9415, 11030, 15442, 18830, 38605, 77210, 296707, 593414, 1483535, 2076949, 2967070, 4153898, 10384745, 20769490]

約数ペア:

[(1, 20769490), (2, 10384745), (5, 4153898), (7, 2967070), (10, 2076949), (14, 1483535), (35, 593414), (70, 296707), (269, 77210), (538, 38605), (1103, 18830), (1345, 15442), (1883, 11030), (2206, 9415), (2690, 7721), (3766, 5515)]