20120155979

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1\times {\mathrm{32089}}^1$

素因数の和:32603

約数の個数: 32

約数和(自身を含む): 26616729600

約数和(自身を除く): 6496573621

約数列:

[1, 7, 11, 17, 77, 119, 187, 479, 1309, 3353, 5269, 8143, 32089, 36883, 57001, 89573, 224623, 352979, 545513, 627011, 2470853, 3818591, 6000643, 15370631, 42004501, 107594417, 169076941, 261300727, 1183538587, 1829105089, 2874307997, 20120155979]

約数ペア:

[(1, 20120155979), (7, 2874307997), (11, 1829105089), (17, 1183538587), (77, 261300727), (119, 169076941), (187, 107594417), (479, 42004501), (1309, 15370631), (3353, 6000643), (5269, 3818591), (8143, 2470853), (32089, 627011), (36883, 545513), (57001, 352979), (89573, 224623)]