20090718128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1019}}^1\times {\mathrm{94789}}^1$

素因数の和:95829

約数の個数: 40

約数和(自身を含む): 41961637200

約数和(自身を除く): 21870919072

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1019, 2038, 4076, 8152, 13247, 16304, 26494, 52988, 94789, 105976, 189578, 211952, 379156, 758312, 1232257, 1516624, 2464514, 4929028, 9858056, 19716112, 96589991, 193179982, 386359964, 772719928, 1255669883, 1545439856, 2511339766, 5022679532, 10045359064, 20090718128]

約数ペア:

[(1, 20090718128), (2, 10045359064), (4, 5022679532), (8, 2511339766), (13, 1545439856), (16, 1255669883), (26, 772719928), (52, 386359964), (104, 193179982), (208, 96589991), (1019, 19716112), (2038, 9858056), (4076, 4929028), (8152, 2464514), (13247, 1516624), (16304, 1232257), (26494, 758312), (52988, 379156), (94789, 211952), (105976, 189578)]