20739984

素因数分解:

$2^4\times 3^1\times {\mathrm{67}}^1\times {\mathrm{6449}}^1$

素因数の和:6527

約数の個数: 40

約数和(自身を含む): 54386400

約数和(自身を除く): 33646416

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 67, 134, 201, 268, 402, 536, 804, 1072, 1608, 3216, 6449, 12898, 19347, 25796, 38694, 51592, 77388, 103184, 154776, 309552, 432083, 864166, 1296249, 1728332, 2592498, 3456664, 5184996, 6913328, 10369992, 20739984]

約数ペア:

[(1, 20739984), (2, 10369992), (3, 6913328), (4, 5184996), (6, 3456664), (8, 2592498), (12, 1728332), (16, 1296249), (24, 864166), (48, 432083), (67, 309552), (134, 154776), (201, 103184), (268, 77388), (402, 51592), (536, 38694), (804, 25796), (1072, 19347), (1608, 12898), (3216, 6449)]