20561938991

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1093}}^1\times {\mathrm{3469}}^1$

素因数の和:4619

約数の個数: 32

約数和(自身を含む): 24599246400

約数和(自身を除く): 4037307409

約数列:

[1, 11, 17, 29, 187, 319, 493, 1093, 3469, 5423, 12023, 18581, 31697, 38159, 58973, 100601, 204391, 348667, 538849, 648703, 1106611, 1710217, 3791617, 5927339, 18812387, 41707787, 64457489, 109956893, 709032379, 1209525823, 1869267181, 20561938991]

約数ペア:

[(1, 20561938991), (11, 1869267181), (17, 1209525823), (29, 709032379), (187, 109956893), (319, 64457489), (493, 41707787), (1093, 18812387), (3469, 5927339), (5423, 3791617), (12023, 1710217), (18581, 1106611), (31697, 648703), (38159, 538849), (58973, 348667), (100601, 204391)]