20964229328

素因数分解:

$2^4\times 7^1\times {\mathrm{3671}}^1\times {\mathrm{50989}}^1$

素因数の和:54675

約数の個数: 40

約数和(自身を含む): 46434349440

約数和(自身を除く): 25470120112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 3671, 7342, 14684, 25697, 29368, 50989, 51394, 58736, 101978, 102788, 203956, 205576, 356923, 407912, 411152, 713846, 815824, 1427692, 2855384, 5710768, 187180619, 374361238, 748722476, 1310264333, 1497444952, 2620528666, 2994889904, 5241057332, 10482114664, 20964229328]

約数ペア:

[(1, 20964229328), (2, 10482114664), (4, 5241057332), (7, 2994889904), (8, 2620528666), (14, 1497444952), (16, 1310264333), (28, 748722476), (56, 374361238), (112, 187180619), (3671, 5710768), (7342, 2855384), (14684, 1427692), (25697, 815824), (29368, 713846), (50989, 411152), (51394, 407912), (58736, 356923), (101978, 205576), (102788, 203956)]