20199095540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2027}}^1\times {\mathrm{38327}}^1$

素因数の和:40376

約数の個数: 48

約数和(自身を含む): 45704760192

約数和(自身を除く): 25505664652

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2027, 4054, 8108, 10135, 20270, 26351, 38327, 40540, 52702, 76654, 105404, 131755, 153308, 191635, 263510, 383270, 498251, 527020, 766540, 996502, 1993004, 2491255, 4982510, 9965020, 77688829, 155377658, 310755316, 388444145, 776888290, 1009954777, 1553776580, 2019909554, 4039819108, 5049773885, 10099547770, 20199095540]

約数ペア:

[(1, 20199095540), (2, 10099547770), (4, 5049773885), (5, 4039819108), (10, 2019909554), (13, 1553776580), (20, 1009954777), (26, 776888290), (52, 388444145), (65, 310755316), (130, 155377658), (260, 77688829), (2027, 9965020), (4054, 4982510), (8108, 2491255), (10135, 1993004), (20270, 996502), (26351, 766540), (38327, 527020), (40540, 498251), (52702, 383270), (76654, 263510), (105404, 191635), (131755, 153308)]