20801418

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{1163}}^1$

素因数の和:1450

約数の個数: 32

約数和(自身を含む): 45591552

約数和(自身を除く): 24790134

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 271, 542, 813, 1163, 1626, 2326, 2981, 3489, 5962, 6978, 8943, 12793, 17886, 25586, 38379, 76758, 315173, 630346, 945519, 1891038, 3466903, 6933806, 10400709, 20801418]

約数ペア:

[(1, 20801418), (2, 10400709), (3, 6933806), (6, 3466903), (11, 1891038), (22, 945519), (33, 630346), (66, 315173), (271, 76758), (542, 38379), (813, 25586), (1163, 17886), (1626, 12793), (2326, 8943), (2981, 6978), (3489, 5962)]