20571008384

素因数分解:

$2^7\times {\mathrm{103}}^1\times {\mathrm{769}}^1\times {\mathrm{2029}}^1$

素因数の和:2915

約数の個数: 64

約数和(自身を含む): 41453412000

約数和(自身を除く): 20882403616

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 128, 206, 412, 769, 824, 1538, 1648, 2029, 3076, 3296, 4058, 6152, 6592, 8116, 12304, 13184, 16232, 24608, 32464, 49216, 64928, 79207, 98432, 129856, 158414, 208987, 259712, 316828, 417974, 633656, 835948, 1267312, 1560301, 1671896, 2534624, 3120602, 3343792, 5069248, 6241204, 6687584, 10138496, 12482408, 13375168, 24964816, 26750336, 49929632, 99859264, 160711003, 199718528, 321422006, 642844012, 1285688024, 2571376048, 5142752096, 10285504192, 20571008384]

約数ペア:

[(1, 20571008384), (2, 10285504192), (4, 5142752096), (8, 2571376048), (16, 1285688024), (32, 642844012), (64, 321422006), (103, 199718528), (128, 160711003), (206, 99859264), (412, 49929632), (769, 26750336), (824, 24964816), (1538, 13375168), (1648, 12482408), (2029, 10138496), (3076, 6687584), (3296, 6241204), (4058, 5069248), (6152, 3343792), (6592, 3120602), (8116, 2534624), (12304, 1671896), (13184, 1560301), (16232, 1267312), (24608, 835948), (32464, 633656), (49216, 417974), (64928, 316828), (79207, 259712), (98432, 208987), (129856, 158414)]