20220980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77773}}^1$

素因数の和:77795

約数の個数: 24

約数和(自身を含む): 45731112

約数和(自身を除く): 25510132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77773, 155546, 311092, 388865, 777730, 1011049, 1555460, 2022098, 4044196, 5055245, 10110490, 20220980]

約数ペア:

[(1, 20220980), (2, 10110490), (4, 5055245), (5, 4044196), (10, 2022098), (13, 1555460), (20, 1011049), (26, 777730), (52, 388865), (65, 311092), (130, 155546), (260, 77773)]