20173696

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 43476480

約数和(自身を除く): 23302784

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 73, 127, 128, 136, 146, 254, 272, 292, 508, 544, 584, 1016, 1088, 1168, 1241, 2032, 2159, 2176, 2336, 2482, 4064, 4318, 4672, 4964, 8128, 8636, 9271, 9344, 9928, 16256, 17272, 18542, 19856, 34544, 37084, 39712, 69088, 74168, 79424, 138176, 148336, 157607, 158848, 276352, 296672, 315214, 593344, 630428, 1186688, 1260856, 2521712, 5043424, 10086848, 20173696]

約数ペア:

[(1, 20173696), (2, 10086848), (4, 5043424), (8, 2521712), (16, 1260856), (17, 1186688), (32, 630428), (34, 593344), (64, 315214), (68, 296672), (73, 276352), (127, 158848), (128, 157607), (136, 148336), (146, 138176), (254, 79424), (272, 74168), (292, 69088), (508, 39712), (544, 37084), (584, 34544), (1016, 19856), (1088, 18542), (1168, 17272), (1241, 16256), (2032, 9928), (2159, 9344), (2176, 9271), (2336, 8636), (2482, 8128), (4064, 4964), (4318, 4672)]