20120521118

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1\times {\mathrm{33119}}^1$

素因数の和:33472

約数の個数: 32

約数和(自身を含む): 32278487040

約数和(自身を除く): 12157965922

約数列:

[1, 2, 23, 46, 47, 94, 281, 562, 1081, 2162, 6463, 12926, 13207, 26414, 33119, 66238, 303761, 607522, 761737, 1523474, 1556593, 3113186, 9306439, 18612878, 35801639, 71603278, 214048097, 428096194, 437402633, 874805266, 10060260559, 20120521118]

約数ペア:

[(1, 20120521118), (2, 10060260559), (23, 874805266), (46, 437402633), (47, 428096194), (94, 214048097), (281, 71603278), (562, 35801639), (1081, 18612878), (2162, 9306439), (6463, 3113186), (12926, 1556593), (13207, 1523474), (26414, 761737), (33119, 607522), (66238, 303761)]