20757984

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{16633}}^1$

素因数の和:16659

約数の個数: 48

約数和(自身を含む): 58684752

約数和(自身を除く): 37926768

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 16633, 33266, 49899, 66532, 99798, 133064, 199596, 216229, 266128, 399192, 432458, 532256, 648687, 798384, 864916, 1297374, 1596768, 1729832, 2594748, 3459664, 5189496, 6919328, 10378992, 20757984]

約数ペア:

[(1, 20757984), (2, 10378992), (3, 6919328), (4, 5189496), (6, 3459664), (8, 2594748), (12, 1729832), (13, 1596768), (16, 1297374), (24, 864916), (26, 798384), (32, 648687), (39, 532256), (48, 432458), (52, 399192), (78, 266128), (96, 216229), (104, 199596), (156, 133064), (208, 99798), (312, 66532), (416, 49899), (624, 33266), (1248, 16633)]