20657172

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{25693}}^1$

素因数の和:25767

約数の個数: 24

約数和(自身を含む): 48921376

約数和(自身を除く): 28264204

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 402, 804, 25693, 51386, 77079, 102772, 154158, 308316, 1721431, 3442862, 5164293, 6885724, 10328586, 20657172]

約数ペア:

[(1, 20657172), (2, 10328586), (3, 6885724), (4, 5164293), (6, 3442862), (12, 1721431), (67, 308316), (134, 154158), (201, 102772), (268, 77079), (402, 51386), (804, 25693)]