20272608

素因数分解:

$2^5\times 3^2\times {\mathrm{43}}^1\times {\mathrm{1637}}^1$

素因数の和:1696

約数の個数: 72

約数和(自身を含む): 59026968

約数和(自身を除く): 38754360

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 72, 86, 96, 129, 144, 172, 258, 288, 344, 387, 516, 688, 774, 1032, 1376, 1548, 1637, 2064, 3096, 3274, 4128, 4911, 6192, 6548, 9822, 12384, 13096, 14733, 19644, 26192, 29466, 39288, 52384, 58932, 70391, 78576, 117864, 140782, 157152, 211173, 235728, 281564, 422346, 471456, 563128, 633519, 844692, 1126256, 1267038, 1689384, 2252512, 2534076, 3378768, 5068152, 6757536, 10136304, 20272608]

約数ペア:

[(1, 20272608), (2, 10136304), (3, 6757536), (4, 5068152), (6, 3378768), (8, 2534076), (9, 2252512), (12, 1689384), (16, 1267038), (18, 1126256), (24, 844692), (32, 633519), (36, 563128), (43, 471456), (48, 422346), (72, 281564), (86, 235728), (96, 211173), (129, 157152), (144, 140782), (172, 117864), (258, 78576), (288, 70391), (344, 58932), (387, 52384), (516, 39288), (688, 29466), (774, 26192), (1032, 19644), (1376, 14733), (1548, 13096), (1637, 12384), (2064, 9822), (3096, 6548), (3274, 6192), (4128, 4911)]