20120899148

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{77029}}^1$

素因数の和:77550

約数の個数: 48

約数和(自身を含む): 42446611200

約数和(自身を除く): 22325712052

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 491, 532, 982, 1964, 3437, 6874, 9329, 13748, 18658, 37316, 65303, 77029, 130606, 154058, 261212, 308116, 539203, 1078406, 1463551, 2156812, 2927102, 5854204, 10244857, 20489714, 37821239, 40979428, 75642478, 151284956, 264748673, 529497346, 718603541, 1058994692, 1437207082, 2874414164, 5030224787, 10060449574, 20120899148]

約数ペア:

[(1, 20120899148), (2, 10060449574), (4, 5030224787), (7, 2874414164), (14, 1437207082), (19, 1058994692), (28, 718603541), (38, 529497346), (76, 264748673), (133, 151284956), (266, 75642478), (491, 40979428), (532, 37821239), (982, 20489714), (1964, 10244857), (3437, 5854204), (6874, 2927102), (9329, 2156812), (13748, 1463551), (18658, 1078406), (37316, 539203), (65303, 308116), (77029, 261212), (130606, 154058)]