20758496

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3469}}^1$

素因数の和:3507

約数の個数: 48

約数和(自身を含む): 47219760

約数和(自身を除く): 26461264

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 272, 352, 374, 544, 748, 1496, 2992, 3469, 5984, 6938, 13876, 27752, 38159, 55504, 58973, 76318, 111008, 117946, 152636, 235892, 305272, 471784, 610544, 648703, 943568, 1221088, 1297406, 1887136, 2594812, 5189624, 10379248, 20758496]

約数ペア:

[(1, 20758496), (2, 10379248), (4, 5189624), (8, 2594812), (11, 1887136), (16, 1297406), (17, 1221088), (22, 943568), (32, 648703), (34, 610544), (44, 471784), (68, 305272), (88, 235892), (136, 152636), (176, 117946), (187, 111008), (272, 76318), (352, 58973), (374, 55504), (544, 38159), (748, 27752), (1496, 13876), (2992, 6938), (3469, 5984)]