20841830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{122599}}^1$

素因数の和:122623

約数の個数: 16

約数和(自身を含む): 39722400

約数和(自身を除く): 18880570

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 122599, 245198, 612995, 1225990, 2084183, 4168366, 10420915, 20841830]

約数ペア:

[(1, 20841830), (2, 10420915), (5, 4168366), (10, 2084183), (17, 1225990), (34, 612995), (85, 245198), (170, 122599)]