20187274317

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1759}}^1\times {\mathrm{23761}}^1$

素因数の和:25553

約数の個数: 32

約数和(自身を含む): 32118620160

約数和(自身を除く): 11931345843

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 1759, 5277, 12313, 23761, 36939, 40457, 71283, 121371, 166327, 283199, 498981, 546503, 849597, 1639509, 3825521, 11476563, 41795599, 125386797, 292569193, 877707579, 961298777, 2883896331, 6729091439, 20187274317]

約数ペア:

[(1, 20187274317), (3, 6729091439), (7, 2883896331), (21, 961298777), (23, 877707579), (69, 292569193), (161, 125386797), (483, 41795599), (1759, 11476563), (5277, 3825521), (12313, 1639509), (23761, 849597), (36939, 546503), (40457, 498981), (71283, 283199), (121371, 166327)]