20191393

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{491}}^1$

素因数の和:608

約数の個数: 16

約数和(自身を含む): 22317120

約数和(自身を除く): 2125727

約数列:

[1, 17, 41, 59, 491, 697, 1003, 2419, 8347, 20131, 28969, 41123, 342227, 492473, 1187729, 20191393]

約数ペア:

[(1, 20191393), (17, 1187729), (41, 492473), (59, 342227), (491, 41123), (697, 28969), (1003, 20131), (2419, 8347)]