20210964455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1319}}^1\times {\mathrm{12113}}^1$

素因数の和:13471

約数の個数: 32

約数和(自身を含む): 27631549440

約数和(自身を除く): 7420584985

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 1319, 6595, 12113, 14509, 30337, 60565, 72545, 133243, 151685, 278599, 333707, 666215, 1392995, 1668535, 3064589, 15322945, 15977047, 79885235, 175747517, 367472081, 878737585, 1837360405, 4042192891, 20210964455]

約数ペア:

[(1, 20210964455), (5, 4042192891), (11, 1837360405), (23, 878737585), (55, 367472081), (115, 175747517), (253, 79885235), (1265, 15977047), (1319, 15322945), (6595, 3064589), (12113, 1668535), (14509, 1392995), (30337, 666215), (60565, 333707), (72545, 278599), (133243, 151685)]