20131026

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{8581}}^1$

素因数の和:8626

約数の個数: 32

約数和(自身を含む): 44489088

約数和(自身を除く): 24358062

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 102, 138, 391, 782, 1173, 2346, 8581, 17162, 25743, 51486, 145877, 197363, 291754, 394726, 437631, 592089, 875262, 1184178, 3355171, 6710342, 10065513, 20131026]

約数ペア:

[(1, 20131026), (2, 10065513), (3, 6710342), (6, 3355171), (17, 1184178), (23, 875262), (34, 592089), (46, 437631), (51, 394726), (69, 291754), (102, 197363), (138, 145877), (391, 51486), (782, 25743), (1173, 17162), (2346, 8581)]