20678208516

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{227303}}^1$

素因数の和:227358

約数の個数: 108

約数和(自身を含む): 63046855872

約数和(自身を除く): 42368647356

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 361, 399, 532, 684, 722, 798, 1083, 1197, 1444, 1596, 2166, 2394, 2527, 3249, 4332, 4788, 5054, 6498, 7581, 10108, 12996, 15162, 22743, 30324, 45486, 90972, 227303, 454606, 681909, 909212, 1363818, 1591121, 2045727, 2727636, 3182242, 4091454, 4318757, 4773363, 6364484, 8182908, 8637514, 9546726, 12956271, 14320089, 17275028, 19093452, 25912542, 28640178, 30231299, 38868813, 51825084, 57280356, 60462598, 77737626, 82056383, 90693897, 120925196, 155475252, 164112766, 181387794, 246169149, 272081691, 328225532, 362775588, 492338298, 544163382, 574394681, 738507447, 984676596, 1088326764, 1148789362, 1477014894, 1723184043, 2297578724, 2954029788, 3446368086, 5169552129, 6892736172, 10339104258, 20678208516]

約数ペア:

[(1, 20678208516), (2, 10339104258), (3, 6892736172), (4, 5169552129), (6, 3446368086), (7, 2954029788), (9, 2297578724), (12, 1723184043), (14, 1477014894), (18, 1148789362), (19, 1088326764), (21, 984676596), (28, 738507447), (36, 574394681), (38, 544163382), (42, 492338298), (57, 362775588), (63, 328225532), (76, 272081691), (84, 246169149), (114, 181387794), (126, 164112766), (133, 155475252), (171, 120925196), (228, 90693897), (252, 82056383), (266, 77737626), (342, 60462598), (361, 57280356), (399, 51825084), (532, 38868813), (684, 30231299), (722, 28640178), (798, 25912542), (1083, 19093452), (1197, 17275028), (1444, 14320089), (1596, 12956271), (2166, 9546726), (2394, 8637514), (2527, 8182908), (3249, 6364484), (4332, 4773363), (4788, 4318757), (5054, 4091454), (6498, 3182242), (7581, 2727636), (10108, 2045727), (12996, 1591121), (15162, 1363818), (22743, 909212), (30324, 681909), (45486, 454606), (90972, 227303)]