20857217570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{58967}}^1$

素因数の和:59175

約数の個数: 64

約数和(自身を含む): 44562825216

約数和(自身を除く): 23705607646

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 163, 217, 310, 326, 434, 815, 1085, 1141, 1630, 2170, 2282, 5053, 5705, 10106, 11410, 25265, 35371, 50530, 58967, 70742, 117934, 176855, 294835, 353710, 412769, 589670, 825538, 1827977, 2063845, 3655954, 4127690, 9139885, 9611621, 12795839, 18279770, 19223242, 25591678, 48058105, 63979195, 67281347, 96116210, 127958390, 134562694, 297960251, 336406735, 595920502, 672813470, 1489801255, 2085721757, 2979602510, 4171443514, 10428608785, 20857217570]

約数ペア:

[(1, 20857217570), (2, 10428608785), (5, 4171443514), (7, 2979602510), (10, 2085721757), (14, 1489801255), (31, 672813470), (35, 595920502), (62, 336406735), (70, 297960251), (155, 134562694), (163, 127958390), (217, 96116210), (310, 67281347), (326, 63979195), (434, 48058105), (815, 25591678), (1085, 19223242), (1141, 18279770), (1630, 12795839), (2170, 9611621), (2282, 9139885), (5053, 4127690), (5705, 3655954), (10106, 2063845), (11410, 1827977), (25265, 825538), (35371, 589670), (50530, 412769), (58967, 353710), (70742, 294835), (117934, 176855)]