20996875795

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1789}}^1\times {\mathrm{4723}}^1$

素因数の和:6595

約数の個数: 32

約数和(自身を含む): 29223797760

約数和(自身を除く): 8226921965

約数列:

[1, 5, 7, 35, 71, 355, 497, 1789, 2485, 4723, 8945, 12523, 23615, 33061, 62615, 127019, 165305, 335333, 635095, 889133, 1676665, 2347331, 4445665, 8449447, 11736655, 42247235, 59146129, 295730645, 599910737, 2999553685, 4199375159, 20996875795]

約数ペア:

[(1, 20996875795), (5, 4199375159), (7, 2999553685), (35, 599910737), (71, 295730645), (355, 59146129), (497, 42247235), (1789, 11736655), (2485, 8449447), (4723, 4445665), (8945, 2347331), (12523, 1676665), (23615, 889133), (33061, 635095), (62615, 335333), (127019, 165305)]