20844558

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8707}}^1$

素因数の和:8741

約数の個数: 48

約数和(自身を含む): 54337920

約数和(自身を除く): 33493362

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 8707, 17414, 26121, 52242, 60949, 78363, 121898, 156726, 165433, 182847, 330866, 365694, 496299, 548541, 992598, 1097082, 1158031, 1488897, 2316062, 2977794, 3474093, 6948186, 10422279, 20844558]

約数ペア:

[(1, 20844558), (2, 10422279), (3, 6948186), (6, 3474093), (7, 2977794), (9, 2316062), (14, 1488897), (18, 1158031), (19, 1097082), (21, 992598), (38, 548541), (42, 496299), (57, 365694), (63, 330866), (114, 182847), (126, 165433), (133, 156726), (171, 121898), (266, 78363), (342, 60949), (399, 52242), (798, 26121), (1197, 17414), (2394, 8707)]