20936960

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1487}}^1$

素因数の和:1519

約数の個数: 72

約数和(自身を含む): 54746496

約数和(自身を除く): 33809536

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1487, 1760, 2816, 2974, 3520, 5948, 7040, 7435, 11896, 14080, 14870, 16357, 23792, 29740, 32714, 47584, 59480, 65428, 81785, 95168, 118960, 130856, 163570, 190336, 237920, 261712, 327140, 380672, 475840, 523424, 654280, 951680, 1046848, 1308560, 1903360, 2093696, 2617120, 4187392, 5234240, 10468480, 20936960]

約数ペア:

[(1, 20936960), (2, 10468480), (4, 5234240), (5, 4187392), (8, 2617120), (10, 2093696), (11, 1903360), (16, 1308560), (20, 1046848), (22, 951680), (32, 654280), (40, 523424), (44, 475840), (55, 380672), (64, 327140), (80, 261712), (88, 237920), (110, 190336), (128, 163570), (160, 130856), (176, 118960), (220, 95168), (256, 81785), (320, 65428), (352, 59480), (440, 47584), (640, 32714), (704, 29740), (880, 23792), (1280, 16357), (1408, 14870), (1487, 14080), (1760, 11896), (2816, 7435), (2974, 7040), (3520, 5948)]