20356488

素因数分解:

$2^3\times 3^3\times {\mathrm{73}}^1\times {\mathrm{1291}}^1$

素因数の和:1379

約数の個数: 64

約数和(自身を含む): 57364800

約数和(自身を除く): 37008312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 73, 108, 146, 216, 219, 292, 438, 584, 657, 876, 1291, 1314, 1752, 1971, 2582, 2628, 3873, 3942, 5164, 5256, 7746, 7884, 10328, 11619, 15492, 15768, 23238, 30984, 34857, 46476, 69714, 92952, 94243, 139428, 188486, 278856, 282729, 376972, 565458, 753944, 848187, 1130916, 1696374, 2261832, 2544561, 3392748, 5089122, 6785496, 10178244, 20356488]

約数ペア:

[(1, 20356488), (2, 10178244), (3, 6785496), (4, 5089122), (6, 3392748), (8, 2544561), (9, 2261832), (12, 1696374), (18, 1130916), (24, 848187), (27, 753944), (36, 565458), (54, 376972), (72, 282729), (73, 278856), (108, 188486), (146, 139428), (216, 94243), (219, 92952), (292, 69714), (438, 46476), (584, 34857), (657, 30984), (876, 23238), (1291, 15768), (1314, 15492), (1752, 11619), (1971, 10328), (2582, 7884), (2628, 7746), (3873, 5256), (3942, 5164)]