20681949130

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^2\times {\mathrm{331}}^1\times {\mathrm{907}}^1$

素因数の和:1411

約数の個数: 48

約数和(自身を含む): 37836948384

約数和(自身を除く): 17154999254

約数列:

[1, 2, 5, 10, 83, 166, 331, 415, 662, 830, 907, 1655, 1814, 3310, 4535, 6889, 9070, 13778, 27473, 34445, 54946, 68890, 75281, 137365, 150562, 274730, 300217, 376405, 600434, 752810, 1501085, 2280259, 3002170, 4560518, 6248323, 11401295, 12496646, 22802590, 24918011, 31241615, 49836022, 62483230, 124590055, 249180110, 2068194913, 4136389826, 10340974565, 20681949130]

約数ペア:

[(1, 20681949130), (2, 10340974565), (5, 4136389826), (10, 2068194913), (83, 249180110), (166, 124590055), (331, 62483230), (415, 49836022), (662, 31241615), (830, 24918011), (907, 22802590), (1655, 12496646), (1814, 11401295), (3310, 6248323), (4535, 4560518), (6889, 3002170), (9070, 2280259), (13778, 1501085), (27473, 752810), (34445, 600434), (54946, 376405), (68890, 300217), (75281, 274730), (137365, 150562)]