20920240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23773}}^1$

素因数の和:23797

約数の個数: 40

約数和(自身を含む): 53063568

約数和(自身を除く): 32143328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 23773, 47546, 95092, 118865, 190184, 237730, 261503, 380368, 475460, 523006, 950920, 1046012, 1307515, 1901840, 2092024, 2615030, 4184048, 5230060, 10460120, 20920240]

約数ペア:

[(1, 20920240), (2, 10460120), (4, 5230060), (5, 4184048), (8, 2615030), (10, 2092024), (11, 1901840), (16, 1307515), (20, 1046012), (22, 950920), (40, 523006), (44, 475460), (55, 380368), (80, 261503), (88, 237730), (110, 190184), (176, 118865), (220, 95092), (440, 47546), (880, 23773)]