20012422912

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79043}}^1$

素因数の和:79125

約数の個数: 72

約数和(自身を含む): 42653407104

約数和(自身を除く): 22640984192

約数列:

[1, 2, 4, 8, 16, 23, 32, 43, 46, 64, 86, 92, 128, 172, 184, 256, 344, 368, 688, 736, 989, 1376, 1472, 1978, 2752, 2944, 3956, 5504, 5888, 7912, 11008, 15824, 31648, 63296, 79043, 126592, 158086, 253184, 316172, 632344, 1264688, 1817989, 2529376, 3398849, 3635978, 5058752, 6797698, 7271956, 10117504, 13595396, 14543912, 20235008, 27190792, 29087824, 54381584, 58175648, 78173527, 108763168, 116351296, 156347054, 217526336, 232702592, 312694108, 435052672, 465405184, 625388216, 870105344, 1250776432, 2501552864, 5003105728, 10006211456, 20012422912]

約数ペア:

[(1, 20012422912), (2, 10006211456), (4, 5003105728), (8, 2501552864), (16, 1250776432), (23, 870105344), (32, 625388216), (43, 465405184), (46, 435052672), (64, 312694108), (86, 232702592), (92, 217526336), (128, 156347054), (172, 116351296), (184, 108763168), (256, 78173527), (344, 58175648), (368, 54381584), (688, 29087824), (736, 27190792), (989, 20235008), (1376, 14543912), (1472, 13595396), (1978, 10117504), (2752, 7271956), (2944, 6797698), (3956, 5058752), (5504, 3635978), (5888, 3398849), (7912, 2529376), (11008, 1817989), (15824, 1264688), (31648, 632344), (63296, 316172), (79043, 253184), (126592, 158086)]