20731656452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{797}}^1\times {\mathrm{500233}}^1$

素因数の和:501047

約数の個数: 24

約数和(自身を含む): 39120299736

約数和(自身を除く): 18388643284

約数列:

[1, 2, 4, 13, 26, 52, 797, 1594, 3188, 10361, 20722, 41444, 500233, 1000466, 2000932, 6503029, 13006058, 26012116, 398685701, 797371402, 1594742804, 5182914113, 10365828226, 20731656452]

約数ペア:

[(1, 20731656452), (2, 10365828226), (4, 5182914113), (13, 1594742804), (26, 797371402), (52, 398685701), (797, 26012116), (1594, 13006058), (3188, 6503029), (10361, 2000932), (20722, 1000466), (41444, 500233)]