20934720

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{2423}}^1$

素因数の和:2449

約数の個数: 112

約数和(自身を含む): 73883520

約数和(自身を除く): 52948800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2423, 2880, 4320, 4846, 7269, 8640, 9692, 12115, 14538, 19384, 21807, 24230, 29076, 36345, 38768, 43614, 48460, 58152, 65421, 72690, 77536, 87228, 96920, 109035, 116304, 130842, 145380, 155072, 174456, 193840, 218070, 232608, 261684, 290760, 327105, 348912, 387680, 436140, 465216, 523368, 581520, 654210, 697824, 775360, 872280, 1046736, 1163040, 1308420, 1395648, 1744560, 2093472, 2326080, 2616840, 3489120, 4186944, 5233680, 6978240, 10467360, 20934720]

約数ペア:

[(1, 20934720), (2, 10467360), (3, 6978240), (4, 5233680), (5, 4186944), (6, 3489120), (8, 2616840), (9, 2326080), (10, 2093472), (12, 1744560), (15, 1395648), (16, 1308420), (18, 1163040), (20, 1046736), (24, 872280), (27, 775360), (30, 697824), (32, 654210), (36, 581520), (40, 523368), (45, 465216), (48, 436140), (54, 387680), (60, 348912), (64, 327105), (72, 290760), (80, 261684), (90, 232608), (96, 218070), (108, 193840), (120, 174456), (135, 155072), (144, 145380), (160, 130842), (180, 116304), (192, 109035), (216, 96920), (240, 87228), (270, 77536), (288, 72690), (320, 65421), (360, 58152), (432, 48460), (480, 43614), (540, 38768), (576, 36345), (720, 29076), (864, 24230), (960, 21807), (1080, 19384), (1440, 14538), (1728, 12115), (2160, 9692), (2423, 8640), (2880, 7269), (4320, 4846)]