20163781728

素因数分解:

$2^5\times 3^2\times {\mathrm{1559}}^1\times {\mathrm{44909}}^1$

素因数の和:46484

約数の個数: 72

約数和(自身を含む): 57378812400

約数和(自身を除く): 37215030672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 1559, 3118, 4677, 6236, 9354, 12472, 14031, 18708, 24944, 28062, 37416, 44909, 49888, 56124, 74832, 89818, 112248, 134727, 149664, 179636, 224496, 269454, 359272, 404181, 448992, 538908, 718544, 808362, 1077816, 1437088, 1616724, 2155632, 3233448, 4311264, 6466896, 12933792, 70013131, 140026262, 210039393, 280052524, 420078786, 560105048, 630118179, 840157572, 1120210096, 1260236358, 1680315144, 2240420192, 2520472716, 3360630288, 5040945432, 6721260576, 10081890864, 20163781728]

約数ペア:

[(1, 20163781728), (2, 10081890864), (3, 6721260576), (4, 5040945432), (6, 3360630288), (8, 2520472716), (9, 2240420192), (12, 1680315144), (16, 1260236358), (18, 1120210096), (24, 840157572), (32, 630118179), (36, 560105048), (48, 420078786), (72, 280052524), (96, 210039393), (144, 140026262), (288, 70013131), (1559, 12933792), (3118, 6466896), (4677, 4311264), (6236, 3233448), (9354, 2155632), (12472, 1616724), (14031, 1437088), (18708, 1077816), (24944, 808362), (28062, 718544), (37416, 538908), (44909, 448992), (49888, 404181), (56124, 359272), (74832, 269454), (89818, 224496), (112248, 179636), (134727, 149664)]