20551266

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 49282560

約数和(自身を除く): 28731294

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 61, 102, 122, 153, 183, 306, 366, 367, 459, 549, 734, 918, 1037, 1098, 1101, 1647, 2074, 2202, 3111, 3294, 3303, 6222, 6239, 6606, 9333, 9909, 12478, 18666, 18717, 19818, 22387, 27999, 37434, 44774, 55998, 56151, 67161, 112302, 134322, 168453, 201483, 336906, 380579, 402966, 604449, 761158, 1141737, 1208898, 2283474, 3425211, 6850422, 10275633, 20551266]

約数ペア:

[(1, 20551266), (2, 10275633), (3, 6850422), (6, 3425211), (9, 2283474), (17, 1208898), (18, 1141737), (27, 761158), (34, 604449), (51, 402966), (54, 380579), (61, 336906), (102, 201483), (122, 168453), (153, 134322), (183, 112302), (306, 67161), (366, 56151), (367, 55998), (459, 44774), (549, 37434), (734, 27999), (918, 22387), (1037, 19818), (1098, 18717), (1101, 18666), (1647, 12478), (2074, 9909), (2202, 9333), (3111, 6606), (3294, 6239), (3303, 6222)]