20497800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:415

約数の個数: 96

約数和(自身を含む): 64281600

約数和(自身を除く): 43783800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 127, 150, 200, 254, 269, 300, 381, 508, 538, 600, 635, 762, 807, 1016, 1076, 1270, 1345, 1524, 1614, 1905, 2152, 2540, 2690, 3048, 3175, 3228, 3810, 4035, 5080, 5380, 6350, 6456, 6725, 7620, 8070, 9525, 10760, 12700, 13450, 15240, 16140, 19050, 20175, 25400, 26900, 32280, 34163, 38100, 40350, 53800, 68326, 76200, 80700, 102489, 136652, 161400, 170815, 204978, 273304, 341630, 409956, 512445, 683260, 819912, 854075, 1024890, 1366520, 1708150, 2049780, 2562225, 3416300, 4099560, 5124450, 6832600, 10248900, 20497800]

約数ペア:

[(1, 20497800), (2, 10248900), (3, 6832600), (4, 5124450), (5, 4099560), (6, 3416300), (8, 2562225), (10, 2049780), (12, 1708150), (15, 1366520), (20, 1024890), (24, 854075), (25, 819912), (30, 683260), (40, 512445), (50, 409956), (60, 341630), (75, 273304), (100, 204978), (120, 170815), (127, 161400), (150, 136652), (200, 102489), (254, 80700), (269, 76200), (300, 68326), (381, 53800), (508, 40350), (538, 38100), (600, 34163), (635, 32280), (762, 26900), (807, 25400), (1016, 20175), (1076, 19050), (1270, 16140), (1345, 15240), (1524, 13450), (1614, 12700), (1905, 10760), (2152, 9525), (2540, 8070), (2690, 7620), (3048, 6725), (3175, 6456), (3228, 6350), (3810, 5380), (4035, 5080)]