20329113

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 31968000

約数和(自身を除く): 11638887

約数列:

[1, 3, 7, 21, 73, 89, 149, 219, 267, 447, 511, 623, 1043, 1533, 1869, 3129, 6497, 10877, 13261, 19491, 32631, 39783, 45479, 76139, 92827, 136437, 228417, 278481, 968053, 2904159, 6776371, 20329113]

約数ペア:

[(1, 20329113), (3, 6776371), (7, 2904159), (21, 968053), (73, 278481), (89, 228417), (149, 136437), (219, 92827), (267, 76139), (447, 45479), (511, 39783), (623, 32631), (1043, 19491), (1533, 13261), (1869, 10877), (3129, 6497)]