20657156784

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{1823}}^1\times {\mathrm{1951}}^1$

素因数の和:3807

約数の個数: 120

約数和(自身を含む): 58718908416

約数和(自身を除く): 38061751632

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 121, 132, 176, 242, 264, 363, 484, 528, 726, 968, 1452, 1823, 1936, 1951, 2904, 3646, 3902, 5469, 5808, 5853, 7292, 7804, 10938, 11706, 14584, 15608, 20053, 21461, 21876, 23412, 29168, 31216, 40106, 42922, 43752, 46824, 60159, 64383, 80212, 85844, 87504, 93648, 120318, 128766, 160424, 171688, 220583, 236071, 240636, 257532, 320848, 343376, 441166, 472142, 481272, 515064, 661749, 708213, 882332, 944284, 962544, 1030128, 1323498, 1416426, 1764664, 1888568, 2646996, 2832852, 3529328, 3556673, 3777136, 5293992, 5665704, 7113346, 10587984, 10670019, 11331408, 14226692, 21340038, 28453384, 39123403, 42680076, 56906768, 78246806, 85360152, 117370209, 156493612, 170720304, 234740418, 312987224, 430357433, 469480836, 625974448, 860714866, 938961672, 1291072299, 1721429732, 1877923344, 2582144598, 3442859464, 5164289196, 6885718928, 10328578392, 20657156784]

約数ペア:

[(1, 20657156784), (2, 10328578392), (3, 6885718928), (4, 5164289196), (6, 3442859464), (8, 2582144598), (11, 1877923344), (12, 1721429732), (16, 1291072299), (22, 938961672), (24, 860714866), (33, 625974448), (44, 469480836), (48, 430357433), (66, 312987224), (88, 234740418), (121, 170720304), (132, 156493612), (176, 117370209), (242, 85360152), (264, 78246806), (363, 56906768), (484, 42680076), (528, 39123403), (726, 28453384), (968, 21340038), (1452, 14226692), (1823, 11331408), (1936, 10670019), (1951, 10587984), (2904, 7113346), (3646, 5665704), (3902, 5293992), (5469, 3777136), (5808, 3556673), (5853, 3529328), (7292, 2832852), (7804, 2646996), (10938, 1888568), (11706, 1764664), (14584, 1416426), (15608, 1323498), (20053, 1030128), (21461, 962544), (21876, 944284), (23412, 882332), (29168, 708213), (31216, 661749), (40106, 515064), (42922, 481272), (43752, 472142), (46824, 441166), (60159, 343376), (64383, 320848), (80212, 257532), (85844, 240636), (87504, 236071), (93648, 220583), (120318, 171688), (128766, 160424)]