20796625904

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{345413}}^1$

素因数の和:345545

約数の個数: 40

約数和(自身を含む): 41632058592

約数和(自身を除く): 20835432688

約数列:

[1, 2, 4, 8, 16, 53, 71, 106, 142, 212, 284, 424, 568, 848, 1136, 3763, 7526, 15052, 30104, 60208, 345413, 690826, 1381652, 2763304, 5526608, 18306889, 24524323, 36613778, 49048646, 73227556, 98097292, 146455112, 196194584, 292910224, 392389168, 1299789119, 2599578238, 5199156476, 10398312952, 20796625904]

約数ペア:

[(1, 20796625904), (2, 10398312952), (4, 5199156476), (8, 2599578238), (16, 1299789119), (53, 392389168), (71, 292910224), (106, 196194584), (142, 146455112), (212, 98097292), (284, 73227556), (424, 49048646), (568, 36613778), (848, 24524323), (1136, 18306889), (3763, 5526608), (7526, 2763304), (15052, 1381652), (30104, 690826), (60208, 345413)]