20512120653

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{4877}}^1$

素因数の和:5154

約数の個数: 48

約数和(自身を含む): 30950090496

約数和(自身を除く): 10437969843

約数列:

[1, 3, 9, 47, 61, 141, 163, 183, 423, 489, 549, 1467, 2867, 4877, 7661, 8601, 9943, 14631, 22983, 25803, 29829, 43893, 68949, 89487, 229219, 297497, 467321, 687657, 794951, 892491, 1401963, 2062971, 2384853, 2677473, 4205889, 7154559, 13982359, 37362697, 41947077, 48492011, 112088091, 125841231, 145476033, 336264273, 436428099, 2279124517, 6837373551, 20512120653]

約数ペア:

[(1, 20512120653), (3, 6837373551), (9, 2279124517), (47, 436428099), (61, 336264273), (141, 145476033), (163, 125841231), (183, 112088091), (423, 48492011), (489, 41947077), (549, 37362697), (1467, 13982359), (2867, 7154559), (4877, 4205889), (7661, 2677473), (8601, 2384853), (9943, 2062971), (14631, 1401963), (22983, 892491), (25803, 794951), (29829, 687657), (43893, 467321), (68949, 297497), (89487, 229219)]