20178382976

素因数分解:

$2^7\times {\mathrm{3119}}^1\times {\mathrm{50543}}^1$

素因数の和:53676

約数の個数: 32

約数和(自身を含む): 40212806400

約数和(自身を除く): 20034423424

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 3119, 6238, 12476, 24952, 49904, 50543, 99808, 101086, 199616, 202172, 399232, 404344, 808688, 1617376, 3234752, 6469504, 157643617, 315287234, 630574468, 1261148936, 2522297872, 5044595744, 10089191488, 20178382976]

約数ペア:

[(1, 20178382976), (2, 10089191488), (4, 5044595744), (8, 2522297872), (16, 1261148936), (32, 630574468), (64, 315287234), (128, 157643617), (3119, 6469504), (6238, 3234752), (12476, 1617376), (24952, 808688), (49904, 404344), (50543, 399232), (99808, 202172), (101086, 199616)]