20328408

素因数分解:

$2^3\times 3^5\times {\mathrm{10457}}^1$

素因数の和:10478

約数の個数: 48

約数和(自身を含む): 57100680

約数和(自身を除く): 36772272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1944, 10457, 20914, 31371, 41828, 62742, 83656, 94113, 125484, 188226, 250968, 282339, 376452, 564678, 752904, 847017, 1129356, 1694034, 2258712, 2541051, 3388068, 5082102, 6776136, 10164204, 20328408]

約数ペア:

[(1, 20328408), (2, 10164204), (3, 6776136), (4, 5082102), (6, 3388068), (8, 2541051), (9, 2258712), (12, 1694034), (18, 1129356), (24, 847017), (27, 752904), (36, 564678), (54, 376452), (72, 282339), (81, 250968), (108, 188226), (162, 125484), (216, 94113), (243, 83656), (324, 62742), (486, 41828), (648, 31371), (972, 20914), (1944, 10457)]