20792042020

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{373}}^1\times {\mathrm{17099}}^1$

素因数の和:17644

約数の個数: 48

約数和(自身を含む): 44051515200

約数和(自身を除く): 23259473180

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 373, 652, 746, 815, 1492, 1630, 1865, 3260, 3730, 7460, 17099, 34198, 60799, 68396, 85495, 121598, 170990, 243196, 303995, 341980, 607990, 1215980, 2787137, 5574274, 6377927, 11148548, 12755854, 13935685, 25511708, 27871370, 31889635, 55742740, 63779270, 127558540, 1039602101, 2079204202, 4158408404, 5198010505, 10396021010, 20792042020]

約数ペア:

[(1, 20792042020), (2, 10396021010), (4, 5198010505), (5, 4158408404), (10, 2079204202), (20, 1039602101), (163, 127558540), (326, 63779270), (373, 55742740), (652, 31889635), (746, 27871370), (815, 25511708), (1492, 13935685), (1630, 12755854), (1865, 11148548), (3260, 6377927), (3730, 5574274), (7460, 2787137), (17099, 1215980), (34198, 607990), (60799, 341980), (68396, 303995), (85495, 243196), (121598, 170990)]