20767890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:184

約数の個数: 128

約数和(自身を含む): 60383232

約数和(自身を除く): 39615342

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 47, 55, 65, 66, 78, 94, 103, 110, 130, 141, 143, 165, 195, 206, 235, 282, 286, 309, 330, 390, 429, 470, 515, 517, 611, 618, 705, 715, 858, 1030, 1034, 1133, 1222, 1339, 1410, 1430, 1545, 1551, 1833, 2145, 2266, 2585, 2678, 3055, 3090, 3102, 3399, 3666, 4017, 4290, 4841, 5170, 5665, 6110, 6695, 6721, 6798, 7755, 8034, 9165, 9682, 11330, 13390, 13442, 14523, 14729, 15510, 16995, 18330, 20085, 20163, 24205, 29046, 29458, 33605, 33990, 40170, 40326, 44187, 48410, 53251, 62933, 67210, 72615, 73645, 88374, 100815, 106502, 125866, 145230, 147290, 159753, 188799, 201630, 220935, 266255, 314665, 319506, 377598, 441870, 532510, 629330, 692263, 798765, 943995, 1384526, 1597530, 1887990, 2076789, 3461315, 4153578, 6922630, 10383945, 20767890]

約数ペア:

[(1, 20767890), (2, 10383945), (3, 6922630), (5, 4153578), (6, 3461315), (10, 2076789), (11, 1887990), (13, 1597530), (15, 1384526), (22, 943995), (26, 798765), (30, 692263), (33, 629330), (39, 532510), (47, 441870), (55, 377598), (65, 319506), (66, 314665), (78, 266255), (94, 220935), (103, 201630), (110, 188799), (130, 159753), (141, 147290), (143, 145230), (165, 125866), (195, 106502), (206, 100815), (235, 88374), (282, 73645), (286, 72615), (309, 67210), (330, 62933), (390, 53251), (429, 48410), (470, 44187), (515, 40326), (517, 40170), (611, 33990), (618, 33605), (705, 29458), (715, 29046), (858, 24205), (1030, 20163), (1034, 20085), (1133, 18330), (1222, 16995), (1339, 15510), (1410, 14729), (1430, 14523), (1545, 13442), (1551, 13390), (1833, 11330), (2145, 9682), (2266, 9165), (2585, 8034), (2678, 7755), (3055, 6798), (3090, 6721), (3102, 6695), (3399, 6110), (3666, 5665), (4017, 5170), (4290, 4841)]