20007318968

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{560869}}^1$

素因数の和:560909

約数の個数: 64

約数和(自身を含む): 47113080000

約数和(自身を除く): 27105761032

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 343, 364, 392, 637, 686, 728, 1274, 1372, 2548, 2744, 4459, 5096, 8918, 17836, 35672, 560869, 1121738, 2243476, 3926083, 4486952, 7291297, 7852166, 14582594, 15704332, 27482581, 29165188, 31408664, 51039079, 54965162, 58330376, 102078158, 109930324, 192378067, 204156316, 219860648, 357273553, 384756134, 408312632, 714547106, 769512268, 1429094212, 1539024536, 2500914871, 2858188424, 5001829742, 10003659484, 20007318968]

約数ペア:

[(1, 20007318968), (2, 10003659484), (4, 5001829742), (7, 2858188424), (8, 2500914871), (13, 1539024536), (14, 1429094212), (26, 769512268), (28, 714547106), (49, 408312632), (52, 384756134), (56, 357273553), (91, 219860648), (98, 204156316), (104, 192378067), (182, 109930324), (196, 102078158), (343, 58330376), (364, 54965162), (392, 51039079), (637, 31408664), (686, 29165188), (728, 27482581), (1274, 15704332), (1372, 14582594), (2548, 7852166), (2744, 7291297), (4459, 4486952), (5096, 3926083), (8918, 2243476), (17836, 1121738), (35672, 560869)]