20802692

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{181}}^1\times {\mathrm{487}}^1$

素因数の和:731

約数の個数: 24

約数和(自身を含む): 37302720

約数和(自身を除く): 16500028

約数列:

[1, 2, 4, 59, 118, 181, 236, 362, 487, 724, 974, 1948, 10679, 21358, 28733, 42716, 57466, 88147, 114932, 176294, 352588, 5200673, 10401346, 20802692]

約数ペア:

[(1, 20802692), (2, 10401346), (4, 5200673), (59, 352588), (118, 176294), (181, 114932), (236, 88147), (362, 57466), (487, 42716), (724, 28733), (974, 21358), (1948, 10679)]