20154877695

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{4211}}^1$

素因数の和:4373

約数の個数: 96

約数和(自身を含む): 37342715904

約数和(自身を除く): 17187838209

約数列:

[1, 3, 5, 9, 15, 31, 45, 47, 73, 93, 141, 155, 219, 235, 279, 365, 423, 465, 657, 705, 1095, 1395, 1457, 2115, 2263, 3285, 3431, 4211, 4371, 6789, 7285, 10293, 11315, 12633, 13113, 17155, 20367, 21055, 21855, 30879, 33945, 37899, 51465, 63165, 65565, 101835, 106361, 130541, 154395, 189495, 197917, 307403, 319083, 391623, 531805, 593751, 652705, 922209, 957249, 989585, 1174869, 1537015, 1595415, 1781253, 1958115, 2766627, 2968755, 4611045, 4786245, 5874345, 6135427, 8906265, 9529493, 13833135, 14447941, 18406281, 28588479, 30677135, 43343823, 47647465, 55218843, 72239705, 85765437, 92031405, 130031469, 142942395, 216719115, 276094215, 428827185, 447886171, 650157345, 1343658513, 2239430855, 4030975539, 6718292565, 20154877695]

約数ペア:

[(1, 20154877695), (3, 6718292565), (5, 4030975539), (9, 2239430855), (15, 1343658513), (31, 650157345), (45, 447886171), (47, 428827185), (73, 276094215), (93, 216719115), (141, 142942395), (155, 130031469), (219, 92031405), (235, 85765437), (279, 72239705), (365, 55218843), (423, 47647465), (465, 43343823), (657, 30677135), (705, 28588479), (1095, 18406281), (1395, 14447941), (1457, 13833135), (2115, 9529493), (2263, 8906265), (3285, 6135427), (3431, 5874345), (4211, 4786245), (4371, 4611045), (6789, 2968755), (7285, 2766627), (10293, 1958115), (11315, 1781253), (12633, 1595415), (13113, 1537015), (17155, 1174869), (20367, 989585), (21055, 957249), (21855, 922209), (30879, 652705), (33945, 593751), (37899, 531805), (51465, 391623), (63165, 319083), (65565, 307403), (101835, 197917), (106361, 189495), (130541, 154395)]