20858528072

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{1367}}^1\times {\mathrm{16879}}^1$

素因数の和:18365

約数の個数: 32

約数和(自身を含む): 39487046400

約数和(自身を除く): 18628518328

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 1367, 2734, 5468, 10936, 16879, 33758, 67516, 135032, 154471, 308942, 617884, 1235768, 1907327, 3814654, 7629308, 15258616, 23073593, 46147186, 92294372, 184588744, 2607316009, 5214632018, 10429264036, 20858528072]

約数ペア:

[(1, 20858528072), (2, 10429264036), (4, 5214632018), (8, 2607316009), (113, 184588744), (226, 92294372), (452, 46147186), (904, 23073593), (1367, 15258616), (2734, 7629308), (5468, 3814654), (10936, 1907327), (16879, 1235768), (33758, 617884), (67516, 308942), (135032, 154471)]