20992202

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{503}}^1$

素因数の和:794

約数の個数: 32

約数和(自身を含む): 39481344

約数和(自身を除く): 18489142

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 271, 503, 542, 1006, 1897, 2981, 3521, 3794, 5533, 5962, 7042, 11066, 20867, 38731, 41734, 77462, 136313, 272626, 954191, 1499443, 1908382, 2998886, 10496101, 20992202]

約数ペア:

[(1, 20992202), (2, 10496101), (7, 2998886), (11, 1908382), (14, 1499443), (22, 954191), (77, 272626), (154, 136313), (271, 77462), (503, 41734), (542, 38731), (1006, 20867), (1897, 11066), (2981, 7042), (3521, 5962), (3794, 5533)]