20177884460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{467297}}^1$

素因数の和:467450

約数の個数: 48

約数和(自身を含む): 45219492864

約数和(自身を除く): 25041608404

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 127, 170, 254, 340, 508, 635, 1270, 2159, 2540, 4318, 8636, 10795, 21590, 43180, 467297, 934594, 1869188, 2336485, 4672970, 7944049, 9345940, 15888098, 31776196, 39720245, 59346719, 79440490, 118693438, 158880980, 237386876, 296733595, 593467190, 1008894223, 1186934380, 2017788446, 4035576892, 5044471115, 10088942230, 20177884460]

約数ペア:

[(1, 20177884460), (2, 10088942230), (4, 5044471115), (5, 4035576892), (10, 2017788446), (17, 1186934380), (20, 1008894223), (34, 593467190), (68, 296733595), (85, 237386876), (127, 158880980), (170, 118693438), (254, 79440490), (340, 59346719), (508, 39720245), (635, 31776196), (1270, 15888098), (2159, 9345940), (2540, 7944049), (4318, 4672970), (8636, 2336485), (10795, 1869188), (21590, 934594), (43180, 467297)]