20187098701

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{17713}}^1$

素因数の和:17810

約数の個数: 48

約数和(自身を含む): 27212105088

約数和(自身を除く): 7025006387

約数列:

[1, 7, 11, 19, 41, 77, 133, 209, 287, 361, 451, 779, 1463, 2527, 3157, 3971, 5453, 8569, 14801, 17713, 27797, 59983, 103607, 123991, 162811, 194843, 336547, 726233, 1139677, 1363901, 2355829, 3702017, 5083631, 6394393, 7988563, 13798427, 25914119, 44760751, 55919941, 70338323, 96588989, 151782697, 262170113, 492368261, 1062478879, 1835190791, 2883871243, 20187098701]

約数ペア:

[(1, 20187098701), (7, 2883871243), (11, 1835190791), (19, 1062478879), (41, 492368261), (77, 262170113), (133, 151782697), (209, 96588989), (287, 70338323), (361, 55919941), (451, 44760751), (779, 25914119), (1463, 13798427), (2527, 7988563), (3157, 6394393), (3971, 5083631), (5453, 3702017), (8569, 2355829), (14801, 1363901), (17713, 1139677), (27797, 726233), (59983, 336547), (103607, 194843), (123991, 162811)]