20045168

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8761}}^1$

素因数の和:8793

約数の個数: 40

約数和(自身を含む): 45632496

約数和(自身を除く): 25587328

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 8761, 17522, 35044, 70088, 96371, 113893, 140176, 192742, 227786, 385484, 455572, 770968, 911144, 1252823, 1541936, 1822288, 2505646, 5011292, 10022584, 20045168]

約数ペア:

[(1, 20045168), (2, 10022584), (4, 5011292), (8, 2505646), (11, 1822288), (13, 1541936), (16, 1252823), (22, 911144), (26, 770968), (44, 455572), (52, 385484), (88, 227786), (104, 192742), (143, 140176), (176, 113893), (208, 96371), (286, 70088), (572, 35044), (1144, 17522), (2288, 8761)]