20154690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4391}}^1$

素因数の和:4424

約数の個数: 64

約数和(自身を含む): 56920320

約数和(自身を除く): 36765630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 85, 90, 102, 135, 153, 170, 255, 270, 306, 459, 510, 765, 918, 1530, 2295, 4391, 4590, 8782, 13173, 21955, 26346, 39519, 43910, 65865, 74647, 79038, 118557, 131730, 149294, 197595, 223941, 237114, 373235, 395190, 447882, 592785, 671823, 746470, 1119705, 1185570, 1343646, 2015469, 2239410, 3359115, 4030938, 6718230, 10077345, 20154690]

約数ペア:

[(1, 20154690), (2, 10077345), (3, 6718230), (5, 4030938), (6, 3359115), (9, 2239410), (10, 2015469), (15, 1343646), (17, 1185570), (18, 1119705), (27, 746470), (30, 671823), (34, 592785), (45, 447882), (51, 395190), (54, 373235), (85, 237114), (90, 223941), (102, 197595), (135, 149294), (153, 131730), (170, 118557), (255, 79038), (270, 74647), (306, 65865), (459, 43910), (510, 39519), (765, 26346), (918, 21955), (1530, 13173), (2295, 8782), (4391, 4590)]