20020132015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{389}}^1\times {\mathrm{2243}}^1$

素因数の和:3003

約数の個数: 32

約数和(自身を含む): 26023757760

約数和(自身を除く): 6003625745

約数列:

[1, 5, 13, 65, 353, 389, 1765, 1945, 2243, 4589, 5057, 11215, 22945, 25285, 29159, 137317, 145795, 686585, 791779, 872527, 1785121, 3958895, 4362635, 8925605, 10293127, 11342851, 51465635, 56714255, 308002031, 1540010155, 4004026403, 20020132015]

約数ペア:

[(1, 20020132015), (5, 4004026403), (13, 1540010155), (65, 308002031), (353, 56714255), (389, 51465635), (1765, 11342851), (1945, 10293127), (2243, 8925605), (4589, 4362635), (5057, 3958895), (11215, 1785121), (22945, 872527), (25285, 791779), (29159, 686585), (137317, 145795)]