202103420

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{138427}}^1$

素因数の和:138509

約数の個数: 24

約数和(自身を含む): 430234224

約数和(自身を除く): 228130804

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 138427, 276854, 553708, 692135, 1384270, 2768540, 10105171, 20210342, 40420684, 50525855, 101051710, 202103420]

約数ペア:

[(1, 202103420), (2, 101051710), (4, 50525855), (5, 40420684), (10, 20210342), (20, 10105171), (73, 2768540), (146, 1384270), (292, 692135), (365, 553708), (730, 276854), (1460, 138427)]