20129406028

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{181}}^1\times {\mathrm{373}}^1\times {\mathrm{569}}^1$

素因数の和:1258

約数の個数: 48

約数和(自身を含む): 35850054240

約数和(自身を除く): 15720648212

約数列:

[1, 2, 4, 131, 181, 262, 362, 373, 524, 569, 724, 746, 1138, 1492, 2276, 23711, 47422, 48863, 67513, 74539, 94844, 97726, 102989, 135026, 149078, 195452, 205978, 212237, 270052, 298156, 411956, 424474, 848948, 8844203, 13491559, 17688406, 26983118, 27803047, 35376812, 38414897, 53966236, 55606094, 76829794, 111212188, 153659588, 5032351507, 10064703014, 20129406028]

約数ペア:

[(1, 20129406028), (2, 10064703014), (4, 5032351507), (131, 153659588), (181, 111212188), (262, 76829794), (362, 55606094), (373, 53966236), (524, 38414897), (569, 35376812), (724, 27803047), (746, 26983118), (1138, 17688406), (1492, 13491559), (2276, 8844203), (23711, 848948), (47422, 424474), (48863, 411956), (67513, 298156), (74539, 270052), (94844, 212237), (97726, 205978), (102989, 195452), (135026, 149078)]