20463960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:481

約数の個数: 128

約数和(自身を含む): 68947200

約数和(自身を除く): 48483240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 37, 40, 44, 55, 60, 66, 74, 88, 110, 111, 120, 132, 148, 165, 185, 220, 222, 264, 296, 330, 370, 407, 419, 440, 444, 555, 660, 740, 814, 838, 888, 1110, 1221, 1257, 1320, 1480, 1628, 1676, 2035, 2095, 2220, 2442, 2514, 3256, 3352, 4070, 4190, 4440, 4609, 4884, 5028, 6105, 6285, 8140, 8380, 9218, 9768, 10056, 12210, 12570, 13827, 15503, 16280, 16760, 18436, 23045, 24420, 25140, 27654, 31006, 36872, 46090, 46509, 48840, 50280, 55308, 62012, 69135, 77515, 92180, 93018, 110616, 124024, 138270, 155030, 170533, 184360, 186036, 232545, 276540, 310060, 341066, 372072, 465090, 511599, 553080, 620120, 682132, 852665, 930180, 1023198, 1364264, 1705330, 1860360, 2046396, 2557995, 3410660, 4092792, 5115990, 6821320, 10231980, 20463960]

約数ペア:

[(1, 20463960), (2, 10231980), (3, 6821320), (4, 5115990), (5, 4092792), (6, 3410660), (8, 2557995), (10, 2046396), (11, 1860360), (12, 1705330), (15, 1364264), (20, 1023198), (22, 930180), (24, 852665), (30, 682132), (33, 620120), (37, 553080), (40, 511599), (44, 465090), (55, 372072), (60, 341066), (66, 310060), (74, 276540), (88, 232545), (110, 186036), (111, 184360), (120, 170533), (132, 155030), (148, 138270), (165, 124024), (185, 110616), (220, 93018), (222, 92180), (264, 77515), (296, 69135), (330, 62012), (370, 55308), (407, 50280), (419, 48840), (440, 46509), (444, 46090), (555, 36872), (660, 31006), (740, 27654), (814, 25140), (838, 24420), (888, 23045), (1110, 18436), (1221, 16760), (1257, 16280), (1320, 15503), (1480, 13827), (1628, 12570), (1676, 12210), (2035, 10056), (2095, 9768), (2220, 9218), (2442, 8380), (2514, 8140), (3256, 6285), (3352, 6105), (4070, 5028), (4190, 4884), (4440, 4609)]