16920484

素因数分解:

$2^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{659}}^1$

素因数の和:808

約数の個数: 36

約数和(自身を含む): 34760880

約数和(自身を除く): 17840396

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 131, 196, 262, 524, 659, 917, 1318, 1834, 2636, 3668, 4613, 6419, 9226, 12838, 18452, 25676, 32291, 64582, 86329, 129164, 172658, 345316, 604303, 1208606, 2417212, 4230121, 8460242, 16920484]

約数ペア:

[(1, 16920484), (2, 8460242), (4, 4230121), (7, 2417212), (14, 1208606), (28, 604303), (49, 345316), (98, 172658), (131, 129164), (196, 86329), (262, 64582), (524, 32291), (659, 25676), (917, 18452), (1318, 12838), (1834, 9226), (2636, 6419), (3668, 4613)]