20380185

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 44029440

約数和(自身を除く): 23649255

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 29, 35, 45, 63, 69, 87, 97, 105, 115, 145, 161, 203, 207, 261, 291, 315, 345, 435, 483, 485, 609, 667, 679, 805, 873, 1015, 1035, 1305, 1449, 1455, 1827, 2001, 2037, 2231, 2415, 2813, 3045, 3335, 3395, 4365, 4669, 6003, 6111, 6693, 7245, 8439, 9135, 10005, 10185, 11155, 14007, 14065, 15617, 19691, 20079, 23345, 25317, 30015, 30555, 33465, 42021, 42195, 46851, 59073, 64699, 70035, 78085, 98455, 100395, 126585, 140553, 177219, 194097, 210105, 234255, 295365, 323495, 452893, 582291, 702765, 886095, 970485, 1358679, 2264465, 2911455, 4076037, 6793395, 20380185]

約数ペア:

[(1, 20380185), (3, 6793395), (5, 4076037), (7, 2911455), (9, 2264465), (15, 1358679), (21, 970485), (23, 886095), (29, 702765), (35, 582291), (45, 452893), (63, 323495), (69, 295365), (87, 234255), (97, 210105), (105, 194097), (115, 177219), (145, 140553), (161, 126585), (203, 100395), (207, 98455), (261, 78085), (291, 70035), (315, 64699), (345, 59073), (435, 46851), (483, 42195), (485, 42021), (609, 33465), (667, 30555), (679, 30015), (805, 25317), (873, 23345), (1015, 20079), (1035, 19691), (1305, 15617), (1449, 14065), (1455, 14007), (1827, 11155), (2001, 10185), (2037, 10005), (2231, 9135), (2415, 8439), (2813, 7245), (3045, 6693), (3335, 6111), (3395, 6003), (4365, 4669)]