20023955

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{8539}}^1$

素因数の和:8618

約数の個数: 16

約数和(自身を含む): 27874560

約数和(自身を除く): 7850605

約数列:

[1, 5, 7, 35, 67, 335, 469, 2345, 8539, 42695, 59773, 298865, 572113, 2860565, 4004791, 20023955]

約数ペア:

[(1, 20023955), (5, 4004791), (7, 2860565), (35, 572113), (67, 298865), (335, 59773), (469, 42695), (2345, 8539)]