20185554688

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{466567}}^1$

素因数の和:466609

約数の個数: 54

約数和(自身を含む): 43630173384

約数和(自身を除く): 23444618696

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 416, 676, 832, 1352, 1664, 2704, 3328, 5408, 10816, 21632, 43264, 466567, 933134, 1866268, 3732536, 6065371, 7465072, 12130742, 14930144, 24261484, 29860288, 48522968, 59720576, 78849823, 97045936, 119441152, 157699646, 194091872, 315399292, 388183744, 630798584, 776367488, 1261597168, 1552734976, 2523194336, 5046388672, 10092777344, 20185554688]

約数ペア:

[(1, 20185554688), (2, 10092777344), (4, 5046388672), (8, 2523194336), (13, 1552734976), (16, 1261597168), (26, 776367488), (32, 630798584), (52, 388183744), (64, 315399292), (104, 194091872), (128, 157699646), (169, 119441152), (208, 97045936), (256, 78849823), (338, 59720576), (416, 48522968), (676, 29860288), (832, 24261484), (1352, 14930144), (1664, 12130742), (2704, 7465072), (3328, 6065371), (5408, 3732536), (10816, 1866268), (21632, 933134), (43264, 466567)]