20782888

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2833}}^1$

素因数の和:2977

約数の個数: 32

約数和(自身を含む): 44890560

約数和(自身を除く): 24107672

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 262, 524, 917, 1048, 1834, 2833, 3668, 5666, 7336, 11332, 19831, 22664, 39662, 79324, 158648, 371123, 742246, 1484492, 2597861, 2968984, 5195722, 10391444, 20782888]

約数ペア:

[(1, 20782888), (2, 10391444), (4, 5195722), (7, 2968984), (8, 2597861), (14, 1484492), (28, 742246), (56, 371123), (131, 158648), (262, 79324), (524, 39662), (917, 22664), (1048, 19831), (1834, 11332), (2833, 7336), (3668, 5666)]