20177730027

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{794743}}^1$

素因数の和:794800

約数の個数: 48

約数和(自身を含む): 37028712448

約数和(自身を除く): 16850982421

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 63, 91, 93, 117, 217, 273, 279, 403, 651, 819, 1209, 1953, 2821, 3627, 8463, 25389, 794743, 2384229, 5563201, 7152687, 10331659, 16689603, 24637033, 30994977, 50068809, 72321613, 73911099, 92984931, 172459231, 216964839, 221733297, 320281429, 517377693, 650894517, 960844287, 1552133079, 2241970003, 2882532861, 6725910009, 20177730027]

約数ペア:

[(1, 20177730027), (3, 6725910009), (7, 2882532861), (9, 2241970003), (13, 1552133079), (21, 960844287), (31, 650894517), (39, 517377693), (63, 320281429), (91, 221733297), (93, 216964839), (117, 172459231), (217, 92984931), (273, 73911099), (279, 72321613), (403, 50068809), (651, 30994977), (819, 24637033), (1209, 16689603), (1953, 10331659), (2821, 7152687), (3627, 5563201), (8463, 2384229), (25389, 794743)]