203724980

素因数分解:

$2^2\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{6841}}^1$

素因数の和:8339

約数の個数: 24

約数和(自身を含む): 428172360

約数和(自身を除く): 224447380

約数列:

[1, 2, 4, 5, 10, 20, 1489, 2978, 5956, 6841, 7445, 13682, 14890, 27364, 29780, 34205, 68410, 136820, 10186249, 20372498, 40744996, 50931245, 101862490, 203724980]

約数ペア:

[(1, 203724980), (2, 101862490), (4, 50931245), (5, 40744996), (10, 20372498), (20, 10186249), (1489, 136820), (2978, 68410), (5956, 34205), (6841, 29780), (7445, 27364), (13682, 14890)]