20727278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{137}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 38462256

約数和(自身を除く): 17734978

約数列:

[1, 2, 11, 13, 22, 23, 26, 46, 137, 143, 253, 274, 286, 299, 506, 529, 598, 1058, 1507, 1781, 3014, 3151, 3289, 3562, 5819, 6302, 6578, 6877, 11638, 13754, 19591, 34661, 39182, 40963, 69322, 72473, 75647, 81926, 144946, 151294, 450593, 797203, 901186, 942149, 1594406, 1884298, 10363639, 20727278]

約数ペア:

[(1, 20727278), (2, 10363639), (11, 1884298), (13, 1594406), (22, 942149), (23, 901186), (26, 797203), (46, 450593), (137, 151294), (143, 144946), (253, 81926), (274, 75647), (286, 72473), (299, 69322), (506, 40963), (529, 39182), (598, 34661), (1058, 19591), (1507, 13754), (1781, 11638), (3014, 6877), (3151, 6578), (3289, 6302), (3562, 5819)]