20835472

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:416

約数の個数: 80

約数和(自身を含む): 50568192

約数和(自身を除く): 29732720

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 34, 56, 62, 68, 112, 119, 124, 136, 217, 238, 248, 272, 353, 434, 476, 496, 527, 706, 868, 952, 1054, 1412, 1736, 1904, 2108, 2471, 2824, 3472, 3689, 4216, 4942, 5648, 6001, 7378, 8432, 9884, 10943, 12002, 14756, 19768, 21886, 24004, 29512, 39536, 42007, 43772, 48008, 59024, 76601, 84014, 87544, 96016, 153202, 168028, 175088, 186031, 306404, 336056, 372062, 612808, 672112, 744124, 1225616, 1302217, 1488248, 2604434, 2976496, 5208868, 10417736, 20835472]

約数ペア:

[(1, 20835472), (2, 10417736), (4, 5208868), (7, 2976496), (8, 2604434), (14, 1488248), (16, 1302217), (17, 1225616), (28, 744124), (31, 672112), (34, 612808), (56, 372062), (62, 336056), (68, 306404), (112, 186031), (119, 175088), (124, 168028), (136, 153202), (217, 96016), (238, 87544), (248, 84014), (272, 76601), (353, 59024), (434, 48008), (476, 43772), (496, 42007), (527, 39536), (706, 29512), (868, 24004), (952, 21886), (1054, 19768), (1412, 14756), (1736, 12002), (1904, 10943), (2108, 9884), (2471, 8432), (2824, 7378), (3472, 6001), (3689, 5648), (4216, 4942)]