20973104

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{929}}^1$

素因数の和:1037

約数の個数: 40

約数和(自身を含む): 43590960

約数和(自身を除く): 22617856

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 83, 136, 166, 272, 332, 664, 929, 1328, 1411, 1858, 2822, 3716, 5644, 7432, 11288, 14864, 15793, 22576, 31586, 63172, 77107, 126344, 154214, 252688, 308428, 616856, 1233712, 1310819, 2621638, 5243276, 10486552, 20973104]

約数ペア:

[(1, 20973104), (2, 10486552), (4, 5243276), (8, 2621638), (16, 1310819), (17, 1233712), (34, 616856), (68, 308428), (83, 252688), (136, 154214), (166, 126344), (272, 77107), (332, 63172), (664, 31586), (929, 22576), (1328, 15793), (1411, 14864), (1858, 11288), (2822, 7432), (3716, 5644)]