20015658

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3719}}^1$

素因数の和:3763

約数の個数: 48

約数和(自身を含む): 48746880

約数和(自身を除く): 28731222

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 78, 117, 138, 207, 234, 299, 414, 598, 897, 1794, 2691, 3719, 5382, 7438, 11157, 22314, 33471, 48347, 66942, 85537, 96694, 145041, 171074, 256611, 290082, 435123, 513222, 769833, 870246, 1111981, 1539666, 2223962, 3335943, 6671886, 10007829, 20015658]

約数ペア:

[(1, 20015658), (2, 10007829), (3, 6671886), (6, 3335943), (9, 2223962), (13, 1539666), (18, 1111981), (23, 870246), (26, 769833), (39, 513222), (46, 435123), (69, 290082), (78, 256611), (117, 171074), (138, 145041), (207, 96694), (234, 85537), (299, 66942), (414, 48347), (598, 33471), (897, 22314), (1794, 11157), (2691, 7438), (3719, 5382)]