20780163362

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{569}}^1\times {\mathrm{593}}^1$

素因数の和:1307

約数の個数: 64

約数和(自身を含む): 36859173120

約数和(自身を除く): 16079009758

約数列:

[1, 2, 7, 14, 53, 83, 106, 166, 371, 569, 581, 593, 742, 1138, 1162, 1186, 3983, 4151, 4399, 7966, 8302, 8798, 30157, 30793, 31429, 47227, 49219, 60314, 61586, 62858, 94454, 98438, 211099, 220003, 330589, 337417, 344533, 422198, 440006, 661178, 674834, 689066, 2361919, 2503031, 2608607, 4723838, 5006062, 5217214, 17521217, 17883101, 18260249, 28005611, 35042434, 35766202, 36520498, 56011222, 125181707, 196039277, 250363414, 392078554, 1484297383, 2968594766, 10390081681, 20780163362]

約数ペア:

[(1, 20780163362), (2, 10390081681), (7, 2968594766), (14, 1484297383), (53, 392078554), (83, 250363414), (106, 196039277), (166, 125181707), (371, 56011222), (569, 36520498), (581, 35766202), (593, 35042434), (742, 28005611), (1138, 18260249), (1162, 17883101), (1186, 17521217), (3983, 5217214), (4151, 5006062), (4399, 4723838), (7966, 2608607), (8302, 2503031), (8798, 2361919), (30157, 689066), (30793, 674834), (31429, 661178), (47227, 440006), (49219, 422198), (60314, 344533), (61586, 337417), (62858, 330589), (94454, 220003), (98438, 211099)]