20219594

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{503}}^1$

素因数の和:805

約数の個数: 16

約数和(自身を含む): 30844800

約数和(自身を除く): 10625206

約数列:

[1, 2, 101, 199, 202, 398, 503, 1006, 20099, 40198, 50803, 100097, 101606, 200194, 10109797, 20219594]

約数ペア:

[(1, 20219594), (2, 10109797), (101, 200194), (199, 101606), (202, 100097), (398, 50803), (503, 40198), (1006, 20099)]