20929460

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{15619}}^1$

素因数の和:15695

約数の個数: 24

約数和(自身を含む): 44610720

約数和(自身を除く): 23681260

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 15619, 31238, 62476, 78095, 156190, 312380, 1046473, 2092946, 4185892, 5232365, 10464730, 20929460]

約数ペア:

[(1, 20929460), (2, 10464730), (4, 5232365), (5, 4185892), (10, 2092946), (20, 1046473), (67, 312380), (134, 156190), (268, 78095), (335, 62476), (670, 31238), (1340, 15619)]