20179878

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{419}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 22156122

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 349, 419, 698, 838, 1047, 1257, 2094, 2514, 8027, 9637, 16054, 19274, 24081, 28911, 48162, 57822, 146231, 292462, 438693, 877386, 3363313, 6726626, 10089939, 20179878]

約数ペア:

[(1, 20179878), (2, 10089939), (3, 6726626), (6, 3363313), (23, 877386), (46, 438693), (69, 292462), (138, 146231), (349, 57822), (419, 48162), (698, 28911), (838, 24081), (1047, 19274), (1257, 16054), (2094, 9637), (2514, 8027)]