20585860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{33203}}^1$

素因数の和:33243

約数の個数: 24

約数和(自身を含む): 44626176

約数和(自身を除く): 24040316

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 33203, 66406, 132812, 166015, 332030, 664060, 1029293, 2058586, 4117172, 5146465, 10292930, 20585860]

約数ペア:

[(1, 20585860), (2, 10292930), (4, 5146465), (5, 4117172), (10, 2058586), (20, 1029293), (31, 664060), (62, 332030), (124, 166015), (155, 132812), (310, 66406), (620, 33203)]