20004638

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{4603}}^1$

素因数の和:4699

約数の個数: 16

約数和(自身を含む): 31325616

約数和(自身を除く): 11320978

約数列:

[1, 2, 41, 53, 82, 106, 2173, 4346, 4603, 9206, 188723, 243959, 377446, 487918, 10002319, 20004638]

約数ペア:

[(1, 20004638), (2, 10002319), (41, 487918), (53, 377446), (82, 243959), (106, 188723), (2173, 9206), (4346, 4603)]