20172030848

素因数分解:

$2^7\times {\mathrm{89}}^1\times {\mathrm{1770719}}^1$

素因数の和:1770822

約数の個数: 32

約数和(自身を含む): 40638024000

約数和(自身を除く): 20465993152

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 356, 712, 1424, 2848, 5696, 11392, 1770719, 3541438, 7082876, 14165752, 28331504, 56663008, 113326016, 157593991, 226652032, 315187982, 630375964, 1260751928, 2521503856, 5043007712, 10086015424, 20172030848]

約数ペア:

[(1, 20172030848), (2, 10086015424), (4, 5043007712), (8, 2521503856), (16, 1260751928), (32, 630375964), (64, 315187982), (89, 226652032), (128, 157593991), (178, 113326016), (356, 56663008), (712, 28331504), (1424, 14165752), (2848, 7082876), (5696, 3541438), (11392, 1770719)]