20172779792

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1427}}^1\times {\mathrm{2591}}^1$

素因数の和:4068

約数の個数: 80

約数和(自身を含む): 44061179904

約数和(自身を除く): 23888400112

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 1427, 2591, 2728, 2854, 5182, 5456, 5708, 10364, 11416, 15697, 20728, 22832, 28501, 31394, 41456, 44237, 57002, 62788, 80321, 88474, 114004, 125576, 160642, 176948, 228008, 251152, 321284, 353896, 456016, 486607, 642568, 707792, 883531, 973214, 1285136, 1767062, 1946428, 3534124, 3697357, 3892856, 7068248, 7394714, 7785712, 14136496, 14789428, 29578856, 40670927, 59157712, 81341854, 114618067, 162683708, 229236134, 325367416, 458472268, 650734832, 916944536, 1260798737, 1833889072, 2521597474, 5043194948, 10086389896, 20172779792]

約数ペア:

[(1, 20172779792), (2, 10086389896), (4, 5043194948), (8, 2521597474), (11, 1833889072), (16, 1260798737), (22, 916944536), (31, 650734832), (44, 458472268), (62, 325367416), (88, 229236134), (124, 162683708), (176, 114618067), (248, 81341854), (341, 59157712), (496, 40670927), (682, 29578856), (1364, 14789428), (1427, 14136496), (2591, 7785712), (2728, 7394714), (2854, 7068248), (5182, 3892856), (5456, 3697357), (5708, 3534124), (10364, 1946428), (11416, 1767062), (15697, 1285136), (20728, 973214), (22832, 883531), (28501, 707792), (31394, 642568), (41456, 486607), (44237, 456016), (57002, 353896), (62788, 321284), (80321, 251152), (88474, 228008), (114004, 176948), (125576, 160642)]