20652723

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 37180416

約数和(自身を除く): 16527693

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 151, 167, 273, 453, 501, 819, 1057, 1169, 1359, 1503, 1963, 2171, 3171, 3507, 5889, 6513, 9513, 10521, 13741, 15197, 17667, 19539, 25217, 41223, 45591, 75651, 123669, 136773, 176519, 226953, 327821, 529557, 983463, 1588671, 2294747, 2950389, 6884241, 20652723]

約数ペア:

[(1, 20652723), (3, 6884241), (7, 2950389), (9, 2294747), (13, 1588671), (21, 983463), (39, 529557), (63, 327821), (91, 226953), (117, 176519), (151, 136773), (167, 123669), (273, 75651), (453, 45591), (501, 41223), (819, 25217), (1057, 19539), (1169, 17667), (1359, 15197), (1503, 13741), (1963, 10521), (2171, 9513), (3171, 6513), (3507, 5889)]