20129318

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{223}}^1\times {\mathrm{373}}^1$

素因数の和:620

約数の個数: 24

約数和(自身を含む): 33426624

約数和(自身を除く): 13297306

約数列:

[1, 2, 11, 22, 121, 223, 242, 373, 446, 746, 2453, 4103, 4906, 8206, 26983, 45133, 53966, 83179, 90266, 166358, 914969, 1829938, 10064659, 20129318]

約数ペア:

[(1, 20129318), (2, 10064659), (11, 1829938), (22, 914969), (121, 166358), (223, 90266), (242, 83179), (373, 53966), (446, 45133), (746, 26983), (2453, 8206), (4103, 4906)]