20291215364

素因数分解:

$2^2\times 7^2\times {\mathrm{4651}}^1\times {\mathrm{22259}}^1$

素因数の和:26928

約数の個数: 36

約数和(自身を含む): 41317854480

約数和(自身を除く): 21026639116

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 4651, 9302, 18604, 22259, 32557, 44518, 65114, 89036, 130228, 155813, 227899, 311626, 455798, 623252, 911596, 1090691, 2181382, 4362764, 103526609, 207053218, 414106436, 724686263, 1449372526, 2898745052, 5072803841, 10145607682, 20291215364]

約数ペア:

[(1, 20291215364), (2, 10145607682), (4, 5072803841), (7, 2898745052), (14, 1449372526), (28, 724686263), (49, 414106436), (98, 207053218), (196, 103526609), (4651, 4362764), (9302, 2181382), (18604, 1090691), (22259, 911596), (32557, 623252), (44518, 455798), (65114, 311626), (89036, 227899), (130228, 155813)]