20197740545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1\times {\mathrm{6971}}^1$

素因数の和:7465

約数の個数: 32

約数和(自身を含む): 26022850560

約数和(自身を除く): 5825110015

約数列:

[1, 5, 17, 85, 89, 383, 445, 1513, 1915, 6511, 6971, 7565, 32555, 34087, 34855, 118507, 170435, 579479, 592535, 620419, 2669893, 2897395, 3102095, 10547123, 13349465, 45388181, 52735615, 226940905, 237620477, 1188102385, 4039548109, 20197740545]

約数ペア:

[(1, 20197740545), (5, 4039548109), (17, 1188102385), (85, 237620477), (89, 226940905), (383, 52735615), (445, 45388181), (1513, 13349465), (1915, 10547123), (6511, 3102095), (6971, 2897395), (7565, 2669893), (32555, 620419), (34087, 592535), (34855, 579479), (118507, 170435)]