20778832816

素因数分解:

$2^4\times 7^1\times {\mathrm{12479}}^1\times {\mathrm{14867}}^1$

素因数の和:27361

約数の個数: 40

約数和(自身を含む): 46017054720

約数和(自身を除く): 25238221904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 12479, 14867, 24958, 29734, 49916, 59468, 87353, 99832, 104069, 118936, 174706, 199664, 208138, 237872, 349412, 416276, 698824, 832552, 1397648, 1665104, 185525293, 371050586, 742101172, 1298677051, 1484202344, 2597354102, 2968404688, 5194708204, 10389416408, 20778832816]

約数ペア:

[(1, 20778832816), (2, 10389416408), (4, 5194708204), (7, 2968404688), (8, 2597354102), (14, 1484202344), (16, 1298677051), (28, 742101172), (56, 371050586), (112, 185525293), (12479, 1665104), (14867, 1397648), (24958, 832552), (29734, 698824), (49916, 416276), (59468, 349412), (87353, 237872), (99832, 208138), (104069, 199664), (118936, 174706)]