20925981120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1981627}}^1$

素因数の和:1981658

約数の個数: 112

約数和(自身を含む): 72480025728

約数和(自身を除く): 51554044608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 440, 480, 528, 660, 704, 880, 960, 1056, 1320, 1760, 2112, 2640, 3520, 5280, 10560, 1981627, 3963254, 5944881, 7926508, 9908135, 11889762, 15853016, 19816270, 21797897, 23779524, 29724405, 31706032, 39632540, 43595794, 47559048, 59448810, 63412064, 65393691, 79265080, 87191588, 95118096, 108989485, 118897620, 126824128, 130787382, 158530160, 174383176, 190236192, 217978970, 237795240, 261574764, 317060320, 326968455, 348766352, 380472384, 435957940, 475590480, 523149528, 634120640, 653936910, 697532704, 871915880, 951180960, 1046299056, 1307873820, 1395065408, 1743831760, 1902361920, 2092598112, 2615747640, 3487663520, 4185196224, 5231495280, 6975327040, 10462990560, 20925981120]

約数ペア:

[(1, 20925981120), (2, 10462990560), (3, 6975327040), (4, 5231495280), (5, 4185196224), (6, 3487663520), (8, 2615747640), (10, 2092598112), (11, 1902361920), (12, 1743831760), (15, 1395065408), (16, 1307873820), (20, 1046299056), (22, 951180960), (24, 871915880), (30, 697532704), (32, 653936910), (33, 634120640), (40, 523149528), (44, 475590480), (48, 435957940), (55, 380472384), (60, 348766352), (64, 326968455), (66, 317060320), (80, 261574764), (88, 237795240), (96, 217978970), (110, 190236192), (120, 174383176), (132, 158530160), (160, 130787382), (165, 126824128), (176, 118897620), (192, 108989485), (220, 95118096), (240, 87191588), (264, 79265080), (320, 65393691), (330, 63412064), (352, 59448810), (440, 47559048), (480, 43595794), (528, 39632540), (660, 31706032), (704, 29724405), (880, 23779524), (960, 21797897), (1056, 19816270), (1320, 15853016), (1760, 11889762), (2112, 9908135), (2640, 7926508), (3520, 5944881), (5280, 3963254), (10560, 1981627)]