20544444

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 55036800

約数和(自身を除く): 34492356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 41, 62, 82, 93, 123, 124, 164, 186, 246, 279, 369, 372, 449, 492, 558, 738, 898, 1116, 1271, 1347, 1476, 1796, 2542, 2694, 3813, 4041, 5084, 5388, 7626, 8082, 11439, 13919, 15252, 16164, 18409, 22878, 27838, 36818, 41757, 45756, 55227, 55676, 73636, 83514, 110454, 125271, 165681, 167028, 220908, 250542, 331362, 501084, 570679, 662724, 1141358, 1712037, 2282716, 3424074, 5136111, 6848148, 10272222, 20544444]

約数ペア:

[(1, 20544444), (2, 10272222), (3, 6848148), (4, 5136111), (6, 3424074), (9, 2282716), (12, 1712037), (18, 1141358), (31, 662724), (36, 570679), (41, 501084), (62, 331362), (82, 250542), (93, 220908), (123, 167028), (124, 165681), (164, 125271), (186, 110454), (246, 83514), (279, 73636), (369, 55676), (372, 55227), (449, 45756), (492, 41757), (558, 36818), (738, 27838), (898, 22878), (1116, 18409), (1271, 16164), (1347, 15252), (1476, 13919), (1796, 11439), (2542, 8082), (2694, 7626), (3813, 5388), (4041, 5084)]