20343420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{373}}^1$

素因数の和:492

約数の個数: 96

約数和(自身を含む): 64088640

約数和(自身を除く): 43745220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 101, 108, 135, 180, 202, 270, 303, 373, 404, 505, 540, 606, 746, 909, 1010, 1119, 1212, 1492, 1515, 1818, 1865, 2020, 2238, 2727, 3030, 3357, 3636, 3730, 4476, 4545, 5454, 5595, 6060, 6714, 7460, 9090, 10071, 10908, 11190, 13428, 13635, 16785, 18180, 20142, 22380, 27270, 33570, 37673, 40284, 50355, 54540, 67140, 75346, 100710, 113019, 150692, 188365, 201420, 226038, 339057, 376730, 452076, 565095, 678114, 753460, 1017171, 1130190, 1356228, 1695285, 2034342, 2260380, 3390570, 4068684, 5085855, 6781140, 10171710, 20343420]

約数ペア:

[(1, 20343420), (2, 10171710), (3, 6781140), (4, 5085855), (5, 4068684), (6, 3390570), (9, 2260380), (10, 2034342), (12, 1695285), (15, 1356228), (18, 1130190), (20, 1017171), (27, 753460), (30, 678114), (36, 565095), (45, 452076), (54, 376730), (60, 339057), (90, 226038), (101, 201420), (108, 188365), (135, 150692), (180, 113019), (202, 100710), (270, 75346), (303, 67140), (373, 54540), (404, 50355), (505, 40284), (540, 37673), (606, 33570), (746, 27270), (909, 22380), (1010, 20142), (1119, 18180), (1212, 16785), (1492, 13635), (1515, 13428), (1818, 11190), (1865, 10908), (2020, 10071), (2238, 9090), (2727, 7460), (3030, 6714), (3357, 6060), (3636, 5595), (3730, 5454), (4476, 4545)]