202019890

素因数分解:

$2^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{40163}}^1$

素因数の和:40673

約数の個数: 16

約数和(自身を含む): 364367808

約数和(自身を除く): 162347918

約数列:

[1, 2, 5, 10, 503, 1006, 2515, 5030, 40163, 80326, 200815, 401630, 20201989, 40403978, 101009945, 202019890]

約数ペア:

[(1, 202019890), (2, 101009945), (5, 40403978), (10, 20201989), (503, 401630), (1006, 200815), (2515, 80326), (5030, 40163)]