20164883672

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{3203}}^1\times {\mathrm{21269}}^1$

素因数の和:24515

約数の個数: 32

約数和(自身を含む): 38844975600

約数和(自身を除く): 18680091928

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 3203, 6406, 12812, 21269, 25624, 42538, 85076, 118511, 170152, 237022, 474044, 786953, 948088, 1573906, 3147812, 6295624, 68124607, 136249214, 272498428, 544996856, 2520610459, 5041220918, 10082441836, 20164883672]

約数ペア:

[(1, 20164883672), (2, 10082441836), (4, 5041220918), (8, 2520610459), (37, 544996856), (74, 272498428), (148, 136249214), (296, 68124607), (3203, 6295624), (6406, 3147812), (12812, 1573906), (21269, 948088), (25624, 786953), (42538, 474044), (85076, 237022), (118511, 170152)]