20775092

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^2\times {\mathrm{89}}^1$

素因数の和:240

約数の個数: 36

約数和(自身を含む): 40192740

約数和(自身を除く): 19417648

約数列:

[1, 2, 4, 13, 26, 52, 67, 89, 134, 178, 268, 356, 871, 1157, 1742, 2314, 3484, 4489, 4628, 5963, 8978, 11926, 17956, 23852, 58357, 77519, 116714, 155038, 233428, 310076, 399521, 799042, 1598084, 5193773, 10387546, 20775092]

約数ペア:

[(1, 20775092), (2, 10387546), (4, 5193773), (13, 1598084), (26, 799042), (52, 399521), (67, 310076), (89, 233428), (134, 155038), (178, 116714), (268, 77519), (356, 58357), (871, 23852), (1157, 17956), (1742, 11926), (2314, 8978), (3484, 5963), (4489, 4628)]