20700537

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 32919936

約数和(自身を除く): 12219399

約数列:

[1, 3, 11, 13, 33, 39, 73, 143, 219, 429, 661, 803, 949, 1983, 2409, 2847, 7271, 8593, 10439, 21813, 25779, 31317, 48253, 94523, 144759, 283569, 530783, 627289, 1592349, 1881867, 6900179, 20700537]

約数ペア:

[(1, 20700537), (3, 6900179), (11, 1881867), (13, 1592349), (33, 627289), (39, 530783), (73, 283569), (143, 144759), (219, 94523), (429, 48253), (661, 31317), (803, 25779), (949, 21813), (1983, 10439), (2409, 8593), (2847, 7271)]