20687776

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{2237}}^1$

素因数の和:2281

約数の個数: 36

約数和(自身を含む): 43285158

約数和(自身を除く): 22597382

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 289, 544, 578, 1156, 2237, 2312, 4474, 4624, 8948, 9248, 17896, 35792, 38029, 71584, 76058, 152116, 304232, 608464, 646493, 1216928, 1292986, 2585972, 5171944, 10343888, 20687776]

約数ペア:

[(1, 20687776), (2, 10343888), (4, 5171944), (8, 2585972), (16, 1292986), (17, 1216928), (32, 646493), (34, 608464), (68, 304232), (136, 152116), (272, 76058), (289, 71584), (544, 38029), (578, 35792), (1156, 17896), (2237, 9248), (2312, 8948), (4474, 4624)]