20009660132

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{60887}}^1$

素因数の和:61017

約数の個数: 72

約数和(自身を含む): 44442394752

約数和(自身を除く): 24432734620

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 97, 121, 154, 194, 242, 308, 388, 484, 679, 847, 1067, 1358, 1694, 2134, 2716, 3388, 4268, 7469, 11737, 14938, 23474, 29876, 46948, 60887, 82159, 121774, 164318, 243548, 328636, 426209, 669757, 852418, 1339514, 1704836, 2679028, 4688299, 5906039, 7367327, 9376598, 11812078, 14734654, 18753196, 23624156, 29469308, 41342273, 51571289, 64966429, 82684546, 103142578, 129932858, 165369092, 206285156, 259865716, 454765003, 714630719, 909530006, 1429261438, 1819060012, 2858522876, 5002415033, 10004830066, 20009660132]

約数ペア:

[(1, 20009660132), (2, 10004830066), (4, 5002415033), (7, 2858522876), (11, 1819060012), (14, 1429261438), (22, 909530006), (28, 714630719), (44, 454765003), (77, 259865716), (97, 206285156), (121, 165369092), (154, 129932858), (194, 103142578), (242, 82684546), (308, 64966429), (388, 51571289), (484, 41342273), (679, 29469308), (847, 23624156), (1067, 18753196), (1358, 14734654), (1694, 11812078), (2134, 9376598), (2716, 7367327), (3388, 5906039), (4268, 4688299), (7469, 2679028), (11737, 1704836), (14938, 1339514), (23474, 852418), (29876, 669757), (46948, 426209), (60887, 328636), (82159, 243548), (121774, 164318)]