20722809736

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{359}}^1\times {\mathrm{24967}}^1$

素因数の和:25366

約数の個数: 48

約数和(自身を含む): 41391950400

約数和(自身を除く): 20669140664

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 359, 578, 718, 1156, 1436, 2312, 2872, 6103, 12206, 24412, 24967, 48824, 49934, 99868, 103751, 199736, 207502, 415004, 424439, 830008, 848878, 1697756, 3395512, 7215463, 8963153, 14430926, 17926306, 28861852, 35852612, 57723704, 71705224, 152373601, 304747202, 609494404, 1218988808, 2590351217, 5180702434, 10361404868, 20722809736]

約数ペア:

[(1, 20722809736), (2, 10361404868), (4, 5180702434), (8, 2590351217), (17, 1218988808), (34, 609494404), (68, 304747202), (136, 152373601), (289, 71705224), (359, 57723704), (578, 35852612), (718, 28861852), (1156, 17926306), (1436, 14430926), (2312, 8963153), (2872, 7215463), (6103, 3395512), (12206, 1697756), (24412, 848878), (24967, 830008), (48824, 424439), (49934, 415004), (99868, 207502), (103751, 199736)]