20203645

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 30594816

約数和(自身を除く): 10391171

約数列:

[1, 5, 7, 11, 35, 55, 77, 97, 385, 485, 541, 679, 1067, 2705, 3395, 3787, 5335, 5951, 7469, 18935, 29755, 37345, 41657, 52477, 208285, 262385, 367339, 577247, 1836695, 2886235, 4040729, 20203645]

約数ペア:

[(1, 20203645), (5, 4040729), (7, 2886235), (11, 1836695), (35, 577247), (55, 367339), (77, 262385), (97, 208285), (385, 52477), (485, 41657), (541, 37345), (679, 29755), (1067, 18935), (2705, 7469), (3395, 5951), (3787, 5335)]