20145128877

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{43787}}^1$

素因数の和:43938

約数の個数: 48

約数和(自身を含む): 32132685312

約数和(自身を除く): 11987556435

約数列:

[1, 3, 9, 17, 31, 51, 93, 97, 153, 279, 291, 527, 873, 1581, 1649, 3007, 4743, 4947, 9021, 14841, 27063, 43787, 51119, 131361, 153357, 394083, 460071, 744379, 1357397, 2233137, 4072191, 4247339, 6699411, 12216573, 12742017, 23075749, 38226051, 69227247, 72204763, 131667509, 207681741, 216614289, 395002527, 649842867, 1185007581, 2238347653, 6715042959, 20145128877]

約数ペア:

[(1, 20145128877), (3, 6715042959), (9, 2238347653), (17, 1185007581), (31, 649842867), (51, 395002527), (93, 216614289), (97, 207681741), (153, 131667509), (279, 72204763), (291, 69227247), (527, 38226051), (873, 23075749), (1581, 12742017), (1649, 12216573), (3007, 6699411), (4743, 4247339), (4947, 4072191), (9021, 2233137), (14841, 1357397), (27063, 744379), (43787, 460071), (51119, 394083), (131361, 153357)]