20908272

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5657}}^1$

素因数の和:5686

約数の個数: 80

約数和(自身を含む): 67352832

約数和(自身を除く): 46444560

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 56, 66, 77, 84, 88, 112, 132, 154, 168, 176, 231, 264, 308, 336, 462, 528, 616, 924, 1232, 1848, 3696, 5657, 11314, 16971, 22628, 33942, 39599, 45256, 62227, 67884, 79198, 90512, 118797, 124454, 135768, 158396, 186681, 237594, 248908, 271536, 316792, 373362, 435589, 475188, 497816, 633584, 746724, 871178, 950376, 995632, 1306767, 1493448, 1742356, 1900752, 2613534, 2986896, 3484712, 5227068, 6969424, 10454136, 20908272]

約数ペア:

[(1, 20908272), (2, 10454136), (3, 6969424), (4, 5227068), (6, 3484712), (7, 2986896), (8, 2613534), (11, 1900752), (12, 1742356), (14, 1493448), (16, 1306767), (21, 995632), (22, 950376), (24, 871178), (28, 746724), (33, 633584), (42, 497816), (44, 475188), (48, 435589), (56, 373362), (66, 316792), (77, 271536), (84, 248908), (88, 237594), (112, 186681), (132, 158396), (154, 135768), (168, 124454), (176, 118797), (231, 90512), (264, 79198), (308, 67884), (336, 62227), (462, 45256), (528, 39599), (616, 33942), (924, 22628), (1232, 16971), (1848, 11314), (3696, 5657)]