20343686940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{813097}}^1$

素因数の和:813251

約数の個数: 72

約数和(自身を含む): 62153211120

約数和(自身を除く): 41809524180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8340, 12510, 25020, 813097, 1626194, 2439291, 3252388, 4065485, 4878582, 7317873, 8130970, 9757164, 12196455, 14635746, 16261940, 24392910, 29271492, 36589365, 48785820, 73178730, 113020483, 146357460, 226040966, 339061449, 452081932, 565102415, 678122898, 1017184347, 1130204830, 1356245796, 1695307245, 2034368694, 2260409660, 3390614490, 4068737388, 5085921735, 6781228980, 10171843470, 20343686940]

約数ペア:

[(1, 20343686940), (2, 10171843470), (3, 6781228980), (4, 5085921735), (5, 4068737388), (6, 3390614490), (9, 2260409660), (10, 2034368694), (12, 1695307245), (15, 1356245796), (18, 1130204830), (20, 1017184347), (30, 678122898), (36, 565102415), (45, 452081932), (60, 339061449), (90, 226040966), (139, 146357460), (180, 113020483), (278, 73178730), (417, 48785820), (556, 36589365), (695, 29271492), (834, 24392910), (1251, 16261940), (1390, 14635746), (1668, 12196455), (2085, 9757164), (2502, 8130970), (2780, 7317873), (4170, 4878582), (5004, 4065485), (6255, 3252388), (8340, 2439291), (12510, 1626194), (25020, 813097)]