20538696009

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1\times {\mathrm{631}}^1$

素因数の和:1078

約数の個数: 64

約数和(自身を含む): 31169875968

約数和(自身を除く): 10631179959

約数列:

[1, 3, 13, 23, 39, 69, 131, 277, 299, 393, 631, 831, 897, 1703, 1893, 3013, 3601, 5109, 6371, 8203, 9039, 10803, 14513, 19113, 24609, 36287, 39169, 43539, 82661, 82823, 108861, 117507, 174787, 188669, 247983, 248469, 471731, 524361, 566007, 834601, 1074593, 1415193, 1901203, 2272231, 2503803, 3223779, 4020101, 5703609, 6816693, 10849813, 12060303, 22897097, 24715639, 32549439, 52261313, 68691291, 74146917, 156783939, 297662261, 526633231, 892986783, 1579899693, 6846232003, 20538696009]

約数ペア:

[(1, 20538696009), (3, 6846232003), (13, 1579899693), (23, 892986783), (39, 526633231), (69, 297662261), (131, 156783939), (277, 74146917), (299, 68691291), (393, 52261313), (631, 32549439), (831, 24715639), (897, 22897097), (1703, 12060303), (1893, 10849813), (3013, 6816693), (3601, 5703609), (5109, 4020101), (6371, 3223779), (8203, 2503803), (9039, 2272231), (10803, 1901203), (14513, 1415193), (19113, 1074593), (24609, 834601), (36287, 566007), (39169, 524361), (43539, 471731), (82661, 248469), (82823, 247983), (108861, 188669), (117507, 174787)]