20252520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{557}}^1$

素因数の和:675

約数の個数: 96

約数和(自身を含む): 66591720

約数和(自身を除く): 46339200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 101, 120, 180, 202, 303, 360, 404, 505, 557, 606, 808, 909, 1010, 1114, 1212, 1515, 1671, 1818, 2020, 2228, 2424, 2785, 3030, 3342, 3636, 4040, 4456, 4545, 5013, 5570, 6060, 6684, 7272, 8355, 9090, 10026, 11140, 12120, 13368, 16710, 18180, 20052, 22280, 25065, 33420, 36360, 40104, 50130, 56257, 66840, 100260, 112514, 168771, 200520, 225028, 281285, 337542, 450056, 506313, 562570, 675084, 843855, 1012626, 1125140, 1350168, 1687710, 2025252, 2250280, 2531565, 3375420, 4050504, 5063130, 6750840, 10126260, 20252520]

約数ペア:

[(1, 20252520), (2, 10126260), (3, 6750840), (4, 5063130), (5, 4050504), (6, 3375420), (8, 2531565), (9, 2250280), (10, 2025252), (12, 1687710), (15, 1350168), (18, 1125140), (20, 1012626), (24, 843855), (30, 675084), (36, 562570), (40, 506313), (45, 450056), (60, 337542), (72, 281285), (90, 225028), (101, 200520), (120, 168771), (180, 112514), (202, 100260), (303, 66840), (360, 56257), (404, 50130), (505, 40104), (557, 36360), (606, 33420), (808, 25065), (909, 22280), (1010, 20052), (1114, 18180), (1212, 16710), (1515, 13368), (1671, 12120), (1818, 11140), (2020, 10026), (2228, 9090), (2424, 8355), (2785, 7272), (3030, 6684), (3342, 6060), (3636, 5570), (4040, 5013), (4456, 4545)]