20839968

素因数分解:

$2^5\times 3^2\times {\mathrm{269}}^2$

素因数の和:554

約数の個数: 54

約数和(自身を含む): 59484789

約数和(自身を除く): 38644821

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 269, 288, 538, 807, 1076, 1614, 2152, 2421, 3228, 4304, 4842, 6456, 8608, 9684, 12912, 19368, 25824, 38736, 72361, 77472, 144722, 217083, 289444, 434166, 578888, 651249, 868332, 1157776, 1302498, 1736664, 2315552, 2604996, 3473328, 5209992, 6946656, 10419984, 20839968]

約数ペア:

[(1, 20839968), (2, 10419984), (3, 6946656), (4, 5209992), (6, 3473328), (8, 2604996), (9, 2315552), (12, 1736664), (16, 1302498), (18, 1157776), (24, 868332), (32, 651249), (36, 578888), (48, 434166), (72, 289444), (96, 217083), (144, 144722), (269, 77472), (288, 72361), (538, 38736), (807, 25824), (1076, 19368), (1614, 12912), (2152, 9684), (2421, 8608), (3228, 6456), (4304, 4842)]