20121016986

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{51563}}^1$

素因数の和:51760

約数の個数: 96

約数和(自身を含む): 52768535040

約数和(自身を除く): 32647518054

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 163, 171, 266, 326, 342, 399, 489, 798, 978, 1141, 1197, 1467, 2282, 2394, 2934, 3097, 3423, 6194, 6846, 9291, 10269, 18582, 20538, 21679, 27873, 43358, 51563, 55746, 65037, 103126, 130074, 154689, 195111, 309378, 360941, 390222, 464067, 721882, 928134, 979697, 1082823, 1959394, 2165646, 2939091, 3248469, 5878182, 6496938, 6857879, 8404769, 8817273, 13715758, 16809538, 17634546, 20573637, 25214307, 41147274, 50428614, 58833383, 61720911, 75642921, 117666766, 123441822, 151285842, 159690611, 176500149, 319381222, 353000298, 479071833, 529500447, 958143666, 1059000894, 1117834277, 1437215499, 2235668554, 2874430998, 3353502831, 6707005662, 10060508493, 20121016986]

約数ペア:

[(1, 20121016986), (2, 10060508493), (3, 6707005662), (6, 3353502831), (7, 2874430998), (9, 2235668554), (14, 1437215499), (18, 1117834277), (19, 1059000894), (21, 958143666), (38, 529500447), (42, 479071833), (57, 353000298), (63, 319381222), (114, 176500149), (126, 159690611), (133, 151285842), (163, 123441822), (171, 117666766), (266, 75642921), (326, 61720911), (342, 58833383), (399, 50428614), (489, 41147274), (798, 25214307), (978, 20573637), (1141, 17634546), (1197, 16809538), (1467, 13715758), (2282, 8817273), (2394, 8404769), (2934, 6857879), (3097, 6496938), (3423, 5878182), (6194, 3248469), (6846, 2939091), (9291, 2165646), (10269, 1959394), (18582, 1082823), (20538, 979697), (21679, 928134), (27873, 721882), (43358, 464067), (51563, 390222), (55746, 360941), (65037, 309378), (103126, 195111), (130074, 154689)]