20501874

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{397}}^1$

素因数の和:575

約数の個数: 48

約数和(自身を含む): 47186880

約数和(自身を除く): 26685006

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 151, 171, 302, 342, 397, 453, 794, 906, 1191, 1359, 2382, 2718, 2869, 3573, 5738, 7146, 7543, 8607, 15086, 17214, 22629, 25821, 45258, 51642, 59947, 67887, 119894, 135774, 179841, 359682, 539523, 1079046, 1138993, 2277986, 3416979, 6833958, 10250937, 20501874]

約数ペア:

[(1, 20501874), (2, 10250937), (3, 6833958), (6, 3416979), (9, 2277986), (18, 1138993), (19, 1079046), (38, 539523), (57, 359682), (114, 179841), (151, 135774), (171, 119894), (302, 67887), (342, 59947), (397, 51642), (453, 45258), (794, 25821), (906, 22629), (1191, 17214), (1359, 15086), (2382, 8607), (2718, 7543), (2869, 7146), (3573, 5738)]