20829200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:241

約数の個数: 120

約数和(自身を含む): 58859328

約数和(自身を除く): 38030128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 43, 50, 56, 70, 80, 86, 100, 112, 140, 172, 173, 175, 200, 215, 280, 301, 344, 346, 350, 400, 430, 560, 602, 688, 692, 700, 860, 865, 1075, 1204, 1211, 1384, 1400, 1505, 1720, 1730, 2150, 2408, 2422, 2768, 2800, 3010, 3440, 3460, 4300, 4325, 4816, 4844, 6020, 6055, 6920, 7439, 7525, 8600, 8650, 9688, 12040, 12110, 13840, 14878, 15050, 17200, 17300, 19376, 24080, 24220, 29756, 30100, 30275, 34600, 37195, 48440, 52073, 59512, 60200, 60550, 69200, 74390, 96880, 104146, 119024, 120400, 121100, 148780, 185975, 208292, 242200, 260365, 297560, 371950, 416584, 484400, 520730, 595120, 743900, 833168, 1041460, 1301825, 1487800, 2082920, 2603650, 2975600, 4165840, 5207300, 10414600, 20829200]

約数ペア:

[(1, 20829200), (2, 10414600), (4, 5207300), (5, 4165840), (7, 2975600), (8, 2603650), (10, 2082920), (14, 1487800), (16, 1301825), (20, 1041460), (25, 833168), (28, 743900), (35, 595120), (40, 520730), (43, 484400), (50, 416584), (56, 371950), (70, 297560), (80, 260365), (86, 242200), (100, 208292), (112, 185975), (140, 148780), (172, 121100), (173, 120400), (175, 119024), (200, 104146), (215, 96880), (280, 74390), (301, 69200), (344, 60550), (346, 60200), (350, 59512), (400, 52073), (430, 48440), (560, 37195), (602, 34600), (688, 30275), (692, 30100), (700, 29756), (860, 24220), (865, 24080), (1075, 19376), (1204, 17300), (1211, 17200), (1384, 15050), (1400, 14878), (1505, 13840), (1720, 12110), (1730, 12040), (2150, 9688), (2408, 8650), (2422, 8600), (2768, 7525), (2800, 7439), (3010, 6920), (3440, 6055), (3460, 6020), (4300, 4844), (4325, 4816)]