20880726

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4993}}^1$

素因数の和:5056

約数の個数: 32

約数和(自身を含む): 45305568

約数和(自身を除く): 24424842

約数列:

[1, 2, 3, 6, 17, 34, 41, 51, 82, 102, 123, 246, 697, 1394, 2091, 4182, 4993, 9986, 14979, 29958, 84881, 169762, 204713, 254643, 409426, 509286, 614139, 1228278, 3480121, 6960242, 10440363, 20880726]

約数ペア:

[(1, 20880726), (2, 10440363), (3, 6960242), (6, 3480121), (17, 1228278), (34, 614139), (41, 509286), (51, 409426), (82, 254643), (102, 204713), (123, 169762), (246, 84881), (697, 29958), (1394, 14979), (2091, 9986), (4182, 4993)]