20544190

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{33679}}^1$

素因数の和:33747

約数の個数: 16

約数和(自身を含む): 37586880

約数和(自身を除く): 17042690

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 33679, 67358, 168395, 336790, 2054419, 4108838, 10272095, 20544190]

約数ペア:

[(1, 20544190), (2, 10272095), (5, 4108838), (10, 2054419), (61, 336790), (122, 168395), (305, 67358), (610, 33679)]