20123202051

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{6277}}^1$

素因数の和:6556

約数の個数: 48

約数和(自身を含む): 30673805760

約数和(自身を除く): 10550603709

約数列:

[1, 3, 9, 29, 71, 87, 173, 213, 261, 519, 639, 1557, 2059, 5017, 6177, 6277, 12283, 15051, 18531, 18831, 36849, 45153, 56493, 110547, 182033, 356207, 445667, 546099, 1068621, 1085921, 1337001, 1638297, 3205863, 3257763, 4011003, 9773289, 12924343, 31491709, 38773029, 77100391, 94475127, 116319087, 231301173, 283425381, 693903519, 2235911339, 6707734017, 20123202051]

約数ペア:

[(1, 20123202051), (3, 6707734017), (9, 2235911339), (29, 693903519), (71, 283425381), (87, 231301173), (173, 116319087), (213, 94475127), (261, 77100391), (519, 38773029), (639, 31491709), (1557, 12924343), (2059, 9773289), (5017, 4011003), (6177, 3257763), (6277, 3205863), (12283, 1638297), (15051, 1337001), (18531, 1085921), (18831, 1068621), (36849, 546099), (45153, 445667), (56493, 356207), (110547, 182033)]