20608731

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 35642880

約数和(自身を除く): 15034149

約数列:

[1, 3, 9, 11, 13, 33, 39, 67, 99, 117, 143, 201, 239, 429, 603, 717, 737, 871, 1287, 2151, 2211, 2613, 2629, 3107, 6633, 7839, 7887, 9321, 9581, 16013, 23661, 27963, 28743, 34177, 48039, 86229, 102531, 144117, 176143, 208169, 307593, 528429, 624507, 1585287, 1873521, 2289859, 6869577, 20608731]

約数ペア:

[(1, 20608731), (3, 6869577), (9, 2289859), (11, 1873521), (13, 1585287), (33, 624507), (39, 528429), (67, 307593), (99, 208169), (117, 176143), (143, 144117), (201, 102531), (239, 86229), (429, 48039), (603, 34177), (717, 28743), (737, 27963), (871, 23661), (1287, 16013), (2151, 9581), (2211, 9321), (2613, 7887), (2629, 7839), (3107, 6633)]