20145514624

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{67577}}^1$

素因数の和:67745

約数の個数: 64

約数和(自身を含む): 42805256760

約数和(自身を除く): 22659742136

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 137, 272, 274, 544, 548, 1088, 1096, 2176, 2192, 2329, 4384, 4658, 8768, 9316, 17536, 18632, 37264, 67577, 74528, 135154, 149056, 270308, 298112, 540616, 1081232, 1148809, 2162464, 2297618, 4324928, 4595236, 8649856, 9190472, 9258049, 18380944, 18516098, 36761888, 37032196, 73523776, 74064392, 147047552, 148128784, 157386833, 296257568, 314773666, 592515136, 629547332, 1185030272, 1259094664, 2518189328, 5036378656, 10072757312, 20145514624]

約数ペア:

[(1, 20145514624), (2, 10072757312), (4, 5036378656), (8, 2518189328), (16, 1259094664), (17, 1185030272), (32, 629547332), (34, 592515136), (64, 314773666), (68, 296257568), (128, 157386833), (136, 148128784), (137, 147047552), (272, 74064392), (274, 73523776), (544, 37032196), (548, 36761888), (1088, 18516098), (1096, 18380944), (2176, 9258049), (2192, 9190472), (2329, 8649856), (4384, 4595236), (4658, 4324928), (8768, 2297618), (9316, 2162464), (17536, 1148809), (18632, 1081232), (37264, 540616), (67577, 298112), (74528, 270308), (135154, 149056)]