20565887992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{479}}^1\times {\mathrm{1409}}^1$

素因数の和:2200

約数の個数: 64

約数和(自身を含む): 41785632000

約数和(自身を除く): 21219744008

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 293, 479, 586, 958, 1172, 1409, 1916, 2344, 2818, 3809, 3832, 5636, 6227, 7618, 11272, 12454, 15236, 18317, 24908, 30472, 36634, 49816, 73268, 140347, 146536, 280694, 412837, 561388, 674911, 825674, 1122776, 1349822, 1651348, 1824511, 2699644, 3302696, 3649022, 5366881, 5399288, 7298044, 8773843, 10733762, 14596088, 17547686, 21467524, 35095372, 42935048, 70190744, 197748923, 395497846, 790995692, 1581991384, 2570735999, 5141471998, 10282943996, 20565887992]

約数ペア:

[(1, 20565887992), (2, 10282943996), (4, 5141471998), (8, 2570735999), (13, 1581991384), (26, 790995692), (52, 395497846), (104, 197748923), (293, 70190744), (479, 42935048), (586, 35095372), (958, 21467524), (1172, 17547686), (1409, 14596088), (1916, 10733762), (2344, 8773843), (2818, 7298044), (3809, 5399288), (3832, 5366881), (5636, 3649022), (6227, 3302696), (7618, 2699644), (11272, 1824511), (12454, 1651348), (15236, 1349822), (18317, 1122776), (24908, 825674), (30472, 674911), (36634, 561388), (49816, 412837), (73268, 280694), (140347, 146536)]