20297550

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1487}}^1$

素因数の和:1522

約数の個数: 96

約数和(自身を含む): 61996032

約数和(自身を除く): 41698482

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 35, 39, 42, 50, 65, 70, 75, 78, 91, 105, 130, 150, 175, 182, 195, 210, 273, 325, 350, 390, 455, 525, 546, 650, 910, 975, 1050, 1365, 1487, 1950, 2275, 2730, 2974, 4461, 4550, 6825, 7435, 8922, 10409, 13650, 14870, 19331, 20818, 22305, 31227, 37175, 38662, 44610, 52045, 57993, 62454, 74350, 96655, 104090, 111525, 115986, 135317, 156135, 193310, 223050, 260225, 270634, 289965, 312270, 405951, 483275, 520450, 579930, 676585, 780675, 811902, 966550, 1353170, 1449825, 1561350, 2029755, 2899650, 3382925, 4059510, 6765850, 10148775, 20297550]

約数ペア:

[(1, 20297550), (2, 10148775), (3, 6765850), (5, 4059510), (6, 3382925), (7, 2899650), (10, 2029755), (13, 1561350), (14, 1449825), (15, 1353170), (21, 966550), (25, 811902), (26, 780675), (30, 676585), (35, 579930), (39, 520450), (42, 483275), (50, 405951), (65, 312270), (70, 289965), (75, 270634), (78, 260225), (91, 223050), (105, 193310), (130, 156135), (150, 135317), (175, 115986), (182, 111525), (195, 104090), (210, 96655), (273, 74350), (325, 62454), (350, 57993), (390, 52045), (455, 44610), (525, 38662), (546, 37175), (650, 31227), (910, 22305), (975, 20818), (1050, 19331), (1365, 14870), (1487, 13650), (1950, 10409), (2275, 8922), (2730, 7435), (2974, 6825), (4461, 4550)]