20976736

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2591}}^1$

素因数の和:2635

約数の個数: 48

約数和(自身を含む): 47029248

約数和(自身を除く): 26052512

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 88, 92, 176, 184, 253, 352, 368, 506, 736, 1012, 2024, 2591, 4048, 5182, 8096, 10364, 20728, 28501, 41456, 57002, 59593, 82912, 114004, 119186, 228008, 238372, 456016, 476744, 655523, 912032, 953488, 1311046, 1906976, 2622092, 5244184, 10488368, 20976736]

約数ペア:

[(1, 20976736), (2, 10488368), (4, 5244184), (8, 2622092), (11, 1906976), (16, 1311046), (22, 953488), (23, 912032), (32, 655523), (44, 476744), (46, 456016), (88, 238372), (92, 228008), (176, 119186), (184, 114004), (253, 82912), (352, 59593), (368, 57002), (506, 41456), (736, 28501), (1012, 20728), (2024, 10364), (2591, 8096), (4048, 5182)]