20440872

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{7673}}^1$

素因数の和:7722

約数の個数: 48

約数和(自身を含む): 56864340

約数和(自身を除く): 36423468

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 2664, 7673, 15346, 23019, 30692, 46038, 61384, 69057, 92076, 138114, 184152, 276228, 283901, 552456, 567802, 851703, 1135604, 1703406, 2271208, 2555109, 3406812, 5110218, 6813624, 10220436, 20440872]

約数ペア:

[(1, 20440872), (2, 10220436), (3, 6813624), (4, 5110218), (6, 3406812), (8, 2555109), (9, 2271208), (12, 1703406), (18, 1135604), (24, 851703), (36, 567802), (37, 552456), (72, 283901), (74, 276228), (111, 184152), (148, 138114), (222, 92076), (296, 69057), (333, 61384), (444, 46038), (666, 30692), (888, 23019), (1332, 15346), (2664, 7673)]