20856091708

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{49207}}^1$

素因数の和:49522

約数の個数: 48

約数和(自身を含む): 40474957824

約数和(自身を除く): 19618866116

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 271, 391, 542, 782, 1084, 1564, 4607, 6233, 9214, 12466, 18428, 24932, 49207, 98414, 105961, 196828, 211922, 423844, 836519, 1131761, 1673038, 2263522, 3346076, 4527044, 13335097, 19239937, 26670194, 38479874, 53340388, 76959748, 226696649, 306707231, 453393298, 613414462, 906786596, 1226828924, 5214022927, 10428045854, 20856091708]

約数ペア:

[(1, 20856091708), (2, 10428045854), (4, 5214022927), (17, 1226828924), (23, 906786596), (34, 613414462), (46, 453393298), (68, 306707231), (92, 226696649), (271, 76959748), (391, 53340388), (542, 38479874), (782, 26670194), (1084, 19239937), (1564, 13335097), (4607, 4527044), (6233, 3346076), (9214, 2263522), (12466, 1673038), (18428, 1131761), (24932, 836519), (49207, 423844), (98414, 211922), (105961, 196828)]