20648520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6373}}^1$

素因数の和:6396

約数の個数: 80

約数和(自身を含む): 69412860

約数和(自身を除く): 48764340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6373, 12746, 19119, 25492, 31865, 38238, 50984, 57357, 63730, 76476, 95595, 114714, 127460, 152952, 172071, 191190, 229428, 254920, 286785, 344142, 382380, 458856, 516213, 573570, 688284, 764760, 860355, 1032426, 1147140, 1376568, 1720710, 2064852, 2294280, 2581065, 3441420, 4129704, 5162130, 6882840, 10324260, 20648520]

約数ペア:

[(1, 20648520), (2, 10324260), (3, 6882840), (4, 5162130), (5, 4129704), (6, 3441420), (8, 2581065), (9, 2294280), (10, 2064852), (12, 1720710), (15, 1376568), (18, 1147140), (20, 1032426), (24, 860355), (27, 764760), (30, 688284), (36, 573570), (40, 516213), (45, 458856), (54, 382380), (60, 344142), (72, 286785), (81, 254920), (90, 229428), (108, 191190), (120, 172071), (135, 152952), (162, 127460), (180, 114714), (216, 95595), (270, 76476), (324, 63730), (360, 57357), (405, 50984), (540, 38238), (648, 31865), (810, 25492), (1080, 19119), (1620, 12746), (3240, 6373)]