20996914135

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{373}}^1\times {\mathrm{617}}^1$

素因数の和:1323

約数の個数: 32

約数和(自身を含む): 25761048192

約数和(自身を除く): 4764134057

約数列:

[1, 5, 71, 257, 355, 373, 617, 1285, 1865, 3085, 18247, 26483, 43807, 91235, 95861, 132415, 158569, 219035, 230141, 479305, 792845, 1150705, 6806131, 11258399, 16340011, 34030655, 56291995, 59146237, 81700055, 295731185, 4199382827, 20996914135]

約数ペア:

[(1, 20996914135), (5, 4199382827), (71, 295731185), (257, 81700055), (355, 59146237), (373, 56291995), (617, 34030655), (1285, 16340011), (1865, 11258399), (3085, 6806131), (18247, 1150705), (26483, 792845), (43807, 479305), (91235, 230141), (95861, 219035), (132415, 158569)]