20929996815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{397}}^1\times {\mathrm{2971}}^1$

素因数の和:3409

約数の個数: 96

約数和(自身を含む): 41560828416

約数和(自身を除く): 20630831601

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 169, 195, 273, 397, 455, 507, 845, 1183, 1191, 1365, 1985, 2535, 2779, 2971, 3549, 5161, 5915, 5955, 8337, 8913, 13895, 14855, 15483, 17745, 20797, 25805, 36127, 38623, 41685, 44565, 62391, 67093, 77415, 103985, 108381, 115869, 180635, 193115, 201279, 270361, 311955, 335465, 469651, 502099, 541905, 579345, 811083, 1006395, 1179487, 1351805, 1408953, 1506297, 2348255, 2510495, 3514693, 3538461, 4055415, 5897435, 7044765, 7531485, 8256409, 10544079, 15333331, 17573465, 17692305, 24769227, 41282045, 45999993, 52720395, 76666655, 107333317, 123846135, 199333303, 229999965, 321999951, 536666585, 597999909, 996666515, 1395333121, 1609999755, 2989999545, 4185999363, 6976665605, 20929996815]

約数ペア:

[(1, 20929996815), (3, 6976665605), (5, 4185999363), (7, 2989999545), (13, 1609999755), (15, 1395333121), (21, 996666515), (35, 597999909), (39, 536666585), (65, 321999951), (91, 229999965), (105, 199333303), (169, 123846135), (195, 107333317), (273, 76666655), (397, 52720395), (455, 45999993), (507, 41282045), (845, 24769227), (1183, 17692305), (1191, 17573465), (1365, 15333331), (1985, 10544079), (2535, 8256409), (2779, 7531485), (2971, 7044765), (3549, 5897435), (5161, 4055415), (5915, 3538461), (5955, 3514693), (8337, 2510495), (8913, 2348255), (13895, 1506297), (14855, 1408953), (15483, 1351805), (17745, 1179487), (20797, 1006395), (25805, 811083), (36127, 579345), (38623, 541905), (41685, 502099), (44565, 469651), (62391, 335465), (67093, 311955), (77415, 270361), (103985, 201279), (108381, 193115), (115869, 180635)]