20765400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{653}}^1$

素因数の和:725

約数の個数: 96

約数和(自身を含む): 65687760

約数和(自身を除く): 44922360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 53, 60, 75, 100, 106, 120, 150, 159, 200, 212, 265, 300, 318, 424, 530, 600, 636, 653, 795, 1060, 1272, 1306, 1325, 1590, 1959, 2120, 2612, 2650, 3180, 3265, 3918, 3975, 5224, 5300, 6360, 6530, 7836, 7950, 9795, 10600, 13060, 15672, 15900, 16325, 19590, 26120, 31800, 32650, 34609, 39180, 48975, 65300, 69218, 78360, 97950, 103827, 130600, 138436, 173045, 195900, 207654, 276872, 346090, 391800, 415308, 519135, 692180, 830616, 865225, 1038270, 1384360, 1730450, 2076540, 2595675, 3460900, 4153080, 5191350, 6921800, 10382700, 20765400]

約数ペア:

[(1, 20765400), (2, 10382700), (3, 6921800), (4, 5191350), (5, 4153080), (6, 3460900), (8, 2595675), (10, 2076540), (12, 1730450), (15, 1384360), (20, 1038270), (24, 865225), (25, 830616), (30, 692180), (40, 519135), (50, 415308), (53, 391800), (60, 346090), (75, 276872), (100, 207654), (106, 195900), (120, 173045), (150, 138436), (159, 130600), (200, 103827), (212, 97950), (265, 78360), (300, 69218), (318, 65300), (424, 48975), (530, 39180), (600, 34609), (636, 32650), (653, 31800), (795, 26120), (1060, 19590), (1272, 16325), (1306, 15900), (1325, 15672), (1590, 13060), (1959, 10600), (2120, 9795), (2612, 7950), (2650, 7836), (3180, 6530), (3265, 6360), (3918, 5300), (3975, 5224)]