20511816

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2267}}^1$

素因数の和:2318

約数の個数: 64

約数和(自身を含む): 57153600

約数和(自身を除く): 36641784

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 29, 39, 52, 58, 78, 87, 104, 116, 156, 174, 232, 312, 348, 377, 696, 754, 1131, 1508, 2262, 2267, 3016, 4524, 4534, 6801, 9048, 9068, 13602, 18136, 27204, 29471, 54408, 58942, 65743, 88413, 117884, 131486, 176826, 197229, 235768, 262972, 353652, 394458, 525944, 707304, 788916, 854659, 1577832, 1709318, 2563977, 3418636, 5127954, 6837272, 10255908, 20511816]

約数ペア:

[(1, 20511816), (2, 10255908), (3, 6837272), (4, 5127954), (6, 3418636), (8, 2563977), (12, 1709318), (13, 1577832), (24, 854659), (26, 788916), (29, 707304), (39, 525944), (52, 394458), (58, 353652), (78, 262972), (87, 235768), (104, 197229), (116, 176826), (156, 131486), (174, 117884), (232, 88413), (312, 65743), (348, 58942), (377, 54408), (696, 29471), (754, 27204), (1131, 18136), (1508, 13602), (2262, 9068), (2267, 9048), (3016, 6801), (4524, 4534)]