20353266944

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{1789}}^1\times {\mathrm{2339}}^1$

素因数の和:4163

約数の個数: 72

約数和(自身を含む): 42807492000

約数和(自身を除く): 22454225056

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 1789, 2339, 2432, 3578, 4678, 4864, 7156, 9356, 14312, 18712, 28624, 33991, 37424, 44441, 57248, 67982, 74848, 88882, 114496, 135964, 149696, 177764, 228992, 271928, 299392, 355528, 457984, 543856, 598784, 711056, 1087712, 1422112, 2175424, 2844224, 4184471, 4350848, 5688448, 8368942, 8701696, 11376896, 16737884, 33475768, 66951536, 79504949, 133903072, 159009898, 267806144, 318019796, 535612288, 636039592, 1071224576, 1272079184, 2544158368, 5088316736, 10176633472, 20353266944]

約数ペア:

[(1, 20353266944), (2, 10176633472), (4, 5088316736), (8, 2544158368), (16, 1272079184), (19, 1071224576), (32, 636039592), (38, 535612288), (64, 318019796), (76, 267806144), (128, 159009898), (152, 133903072), (256, 79504949), (304, 66951536), (608, 33475768), (1216, 16737884), (1789, 11376896), (2339, 8701696), (2432, 8368942), (3578, 5688448), (4678, 4350848), (4864, 4184471), (7156, 2844224), (9356, 2175424), (14312, 1422112), (18712, 1087712), (28624, 711056), (33991, 598784), (37424, 543856), (44441, 457984), (57248, 355528), (67982, 299392), (74848, 271928), (88882, 228992), (114496, 177764), (135964, 149696)]