20060480

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 112

約数和(自身を含む): 53766720

約数和(自身を除く): 33706240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 64, 80, 82, 88, 110, 139, 160, 164, 176, 205, 220, 278, 320, 328, 352, 410, 440, 451, 556, 656, 695, 704, 820, 880, 902, 1112, 1312, 1390, 1529, 1640, 1760, 1804, 2224, 2255, 2624, 2780, 3058, 3280, 3520, 3608, 4448, 4510, 5560, 5699, 6116, 6560, 7216, 7645, 8896, 9020, 11120, 11398, 12232, 13120, 14432, 15290, 18040, 22240, 22796, 24464, 28495, 28864, 30580, 36080, 44480, 45592, 48928, 56990, 61160, 62689, 72160, 91184, 97856, 113980, 122320, 125378, 144320, 182368, 227960, 244640, 250756, 313445, 364736, 455920, 489280, 501512, 626890, 911840, 1003024, 1253780, 1823680, 2006048, 2507560, 4012096, 5015120, 10030240, 20060480]

約数ペア:

[(1, 20060480), (2, 10030240), (4, 5015120), (5, 4012096), (8, 2507560), (10, 2006048), (11, 1823680), (16, 1253780), (20, 1003024), (22, 911840), (32, 626890), (40, 501512), (41, 489280), (44, 455920), (55, 364736), (64, 313445), (80, 250756), (82, 244640), (88, 227960), (110, 182368), (139, 144320), (160, 125378), (164, 122320), (176, 113980), (205, 97856), (220, 91184), (278, 72160), (320, 62689), (328, 61160), (352, 56990), (410, 48928), (440, 45592), (451, 44480), (556, 36080), (656, 30580), (695, 28864), (704, 28495), (820, 24464), (880, 22796), (902, 22240), (1112, 18040), (1312, 15290), (1390, 14432), (1529, 13120), (1640, 12232), (1760, 11398), (1804, 11120), (2224, 9020), (2255, 8896), (2624, 7645), (2780, 7216), (3058, 6560), (3280, 6116), (3520, 5699), (3608, 5560), (4448, 4510)]