20199117113

素因数分解:

$7^1\times {\mathrm{19}}^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:467

約数の個数: 64

約数和(自身を含む): 25844367360

約数和(自身を除く): 5645250247

約数列:

[1, 7, 19, 31, 41, 133, 217, 287, 331, 361, 589, 779, 1271, 2317, 2527, 4123, 5453, 6289, 6859, 8897, 10261, 11191, 13571, 14801, 24149, 44023, 48013, 71827, 78337, 94997, 103607, 119491, 169043, 194959, 212629, 257849, 281219, 420701, 458831, 836437, 1364713, 1488403, 1804943, 1968533, 2270329, 2944907, 3211817, 3704221, 4899131, 7993319, 8717789, 15892303, 25929547, 34293917, 55953233, 61024523, 70380199, 93083489, 151873061, 492661393, 651584423, 1063111427, 2885588159, 20199117113]

約数ペア:

[(1, 20199117113), (7, 2885588159), (19, 1063111427), (31, 651584423), (41, 492661393), (133, 151873061), (217, 93083489), (287, 70380199), (331, 61024523), (361, 55953233), (589, 34293917), (779, 25929547), (1271, 15892303), (2317, 8717789), (2527, 7993319), (4123, 4899131), (5453, 3704221), (6289, 3211817), (6859, 2944907), (8897, 2270329), (10261, 1968533), (11191, 1804943), (13571, 1488403), (14801, 1364713), (24149, 836437), (44023, 458831), (48013, 420701), (71827, 281219), (78337, 257849), (94997, 212629), (103607, 194959), (119491, 169043)]