20199427245

素因数分解:

$3^7\times 5^1\times {\mathrm{461}}^1\times {\mathrm{4007}}^1$

素因数の和:4494

約数の個数: 64

約数和(自身を含む): 36441377280

約数和(自身を除く): 16241950035

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 461, 729, 1215, 1383, 2187, 2305, 3645, 4007, 4149, 6915, 10935, 12021, 12447, 20035, 20745, 36063, 37341, 60105, 62235, 108189, 112023, 180315, 186705, 324567, 336069, 540945, 560115, 973701, 1008207, 1622835, 1680345, 1847227, 2921103, 4868505, 5041035, 5541681, 8763309, 9236135, 14605515, 16625043, 27708405, 43816545, 49875129, 83125215, 149625387, 249375645, 448876161, 748126935, 1346628483, 2244380805, 4039885449, 6733142415, 20199427245]

約数ペア:

[(1, 20199427245), (3, 6733142415), (5, 4039885449), (9, 2244380805), (15, 1346628483), (27, 748126935), (45, 448876161), (81, 249375645), (135, 149625387), (243, 83125215), (405, 49875129), (461, 43816545), (729, 27708405), (1215, 16625043), (1383, 14605515), (2187, 9236135), (2305, 8763309), (3645, 5541681), (4007, 5041035), (4149, 4868505), (6915, 2921103), (10935, 1847227), (12021, 1680345), (12447, 1622835), (20035, 1008207), (20745, 973701), (36063, 560115), (37341, 540945), (60105, 336069), (62235, 324567), (108189, 186705), (112023, 180315)]