20941489079049

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1277}}^1\times {\mathrm{435529}}^1$

素因数の和:436990

約数の個数: 64

約数和(自身を含む): 35052903843840

約数和(自身を除く): 14111414764791

約数列:

[1, 3, 7, 11, 21, 33, 77, 163, 231, 489, 1141, 1277, 1793, 3423, 3831, 5379, 8939, 12551, 14047, 26817, 37653, 42141, 98329, 208151, 294987, 435529, 624453, 1306587, 1457057, 2289661, 3048703, 4371171, 4790819, 6868983, 9146109, 14372457, 16027627, 33535733, 48082881, 70991227, 100607199, 212973681, 496938589, 556170533, 780903497, 1490815767, 1668511599, 2342710491, 3893193731, 5466324479, 6117875863, 11679581193, 16398973437, 18353627589, 42825131041, 90655796879, 128475393123, 271967390637, 634590578153, 997213765669, 1903771734459, 2991641297007, 6980496359683, 20941489079049]

約数ペア:

[(1, 20941489079049), (3, 6980496359683), (7, 2991641297007), (11, 1903771734459), (21, 997213765669), (33, 634590578153), (77, 271967390637), (163, 128475393123), (231, 90655796879), (489, 42825131041), (1141, 18353627589), (1277, 16398973437), (1793, 11679581193), (3423, 6117875863), (3831, 5466324479), (5379, 3893193731), (8939, 2342710491), (12551, 1668511599), (14047, 1490815767), (26817, 780903497), (37653, 556170533), (42141, 496938589), (98329, 212973681), (208151, 100607199), (294987, 70991227), (435529, 48082881), (624453, 33535733), (1306587, 16027627), (1457057, 14372457), (2289661, 9146109), (3048703, 6868983), (4371171, 4790819)]