20786238

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1721}}^1$

素因数の和:1801

約数の個数: 48

約数和(自身を含む): 49965552

約数和(自身を除く): 29179314

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 61, 66, 99, 122, 183, 198, 366, 549, 671, 1098, 1342, 1721, 2013, 3442, 4026, 5163, 6039, 10326, 12078, 15489, 18931, 30978, 37862, 56793, 104981, 113586, 170379, 209962, 314943, 340758, 629886, 944829, 1154791, 1889658, 2309582, 3464373, 6928746, 10393119, 20786238]

約数ペア:

[(1, 20786238), (2, 10393119), (3, 6928746), (6, 3464373), (9, 2309582), (11, 1889658), (18, 1154791), (22, 944829), (33, 629886), (61, 340758), (66, 314943), (99, 209962), (122, 170379), (183, 113586), (198, 104981), (366, 56793), (549, 37862), (671, 30978), (1098, 18931), (1342, 15489), (1721, 12078), (2013, 10326), (3442, 6039), (4026, 5163)]