20384280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8089}}^1$

素因数の和:8113

約数の個数: 96

約数和(自身を含む): 75722400

約数和(自身を除く): 55338120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8089, 16178, 24267, 32356, 40445, 48534, 56623, 64712, 72801, 80890, 97068, 113246, 121335, 145602, 161780, 169869, 194136, 226492, 242670, 283115, 291204, 323560, 339738, 364005, 452984, 485340, 509607, 566230, 582408, 679476, 728010, 849345, 970680, 1019214, 1132460, 1358952, 1456020, 1698690, 2038428, 2264920, 2548035, 2912040, 3397380, 4076856, 5096070, 6794760, 10192140, 20384280]

約数ペア:

[(1, 20384280), (2, 10192140), (3, 6794760), (4, 5096070), (5, 4076856), (6, 3397380), (7, 2912040), (8, 2548035), (9, 2264920), (10, 2038428), (12, 1698690), (14, 1456020), (15, 1358952), (18, 1132460), (20, 1019214), (21, 970680), (24, 849345), (28, 728010), (30, 679476), (35, 582408), (36, 566230), (40, 509607), (42, 485340), (45, 452984), (56, 364005), (60, 339738), (63, 323560), (70, 291204), (72, 283115), (84, 242670), (90, 226492), (105, 194136), (120, 169869), (126, 161780), (140, 145602), (168, 121335), (180, 113246), (210, 97068), (252, 80890), (280, 72801), (315, 64712), (360, 56623), (420, 48534), (504, 40445), (630, 32356), (840, 24267), (1260, 16178), (2520, 8089)]