20104351670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{503}}^1\times {\mathrm{5801}}^1$

素因数の和:6377

約数の個数: 64

約数和(自身を含む): 39792622464

約数和(自身を除く): 19688270794

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 503, 530, 689, 1006, 1378, 2515, 3445, 5030, 5801, 6539, 6890, 11602, 13078, 26659, 29005, 32695, 53318, 58010, 65390, 75413, 133295, 150826, 266590, 307453, 346567, 377065, 614906, 693134, 754130, 1537265, 1732835, 2917903, 3074530, 3465670, 3996889, 5835806, 7993778, 14589515, 19984445, 29179030, 37932739, 39968890, 75865478, 154648859, 189663695, 309297718, 379327390, 773244295, 1546488590, 2010435167, 4020870334, 10052175835, 20104351670]

約数ペア:

[(1, 20104351670), (2, 10052175835), (5, 4020870334), (10, 2010435167), (13, 1546488590), (26, 773244295), (53, 379327390), (65, 309297718), (106, 189663695), (130, 154648859), (265, 75865478), (503, 39968890), (530, 37932739), (689, 29179030), (1006, 19984445), (1378, 14589515), (2515, 7993778), (3445, 5835806), (5030, 3996889), (5801, 3465670), (6539, 3074530), (6890, 2917903), (11602, 1732835), (13078, 1537265), (26659, 754130), (29005, 693134), (32695, 614906), (53318, 377065), (58010, 346567), (65390, 307453), (75413, 266590), (133295, 150826)]