20199266997

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{115429}}^1$

素因数の和:116093

約数の個数: 32

約数和(自身を含む): 33199514880

約数和(自身を除く): 13000247883

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 641, 1923, 4487, 8333, 13461, 24999, 58331, 115429, 174993, 346287, 808003, 1500577, 2424009, 4501731, 10504039, 31512117, 73989989, 221969967, 517929923, 961869857, 1553789769, 2885609571, 6733088999, 20199266997]

約数ペア:

[(1, 20199266997), (3, 6733088999), (7, 2885609571), (13, 1553789769), (21, 961869857), (39, 517929923), (91, 221969967), (273, 73989989), (641, 31512117), (1923, 10504039), (4487, 4501731), (8333, 2424009), (13461, 1500577), (24999, 808003), (58331, 346287), (115429, 174993)]