20004313390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16381}}^1\times {\mathrm{4211}}^1$

素因数の和:20628

約数の個数: 32

約数和(自身を含む): 37260531360

約数和(自身を除く): 17256217970

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 4211, 8422, 16381, 21055, 32762, 42110, 81905, 122119, 163810, 244238, 475049, 610595, 950098, 1221190, 2375245, 4750490, 68980391, 137960782, 344901955, 689803910, 2000431339, 4000862678, 10002156695, 20004313390]

約数ペア:

[(1, 20004313390), (2, 10002156695), (5, 4000862678), (10, 2000431339), (29, 689803910), (58, 344901955), (145, 137960782), (290, 68980391), (4211, 4750490), (8422, 2375245), (16381, 1221190), (21055, 950098), (32762, 610595), (42110, 475049), (81905, 244238), (122119, 163810)]