20096480

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 96

約数和(自身を含む): 51093504

約数和(自身を除く): 30997024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 43, 46, 80, 86, 92, 115, 127, 160, 172, 184, 215, 230, 254, 344, 368, 430, 460, 508, 635, 688, 736, 860, 920, 989, 1016, 1270, 1376, 1720, 1840, 1978, 2032, 2540, 2921, 3440, 3680, 3956, 4064, 4945, 5080, 5461, 5842, 6880, 7912, 9890, 10160, 10922, 11684, 14605, 15824, 19780, 20320, 21844, 23368, 27305, 29210, 31648, 39560, 43688, 46736, 54610, 58420, 79120, 87376, 93472, 109220, 116840, 125603, 158240, 174752, 218440, 233680, 251206, 436880, 467360, 502412, 628015, 873760, 1004824, 1256030, 2009648, 2512060, 4019296, 5024120, 10048240, 20096480]

約数ペア:

[(1, 20096480), (2, 10048240), (4, 5024120), (5, 4019296), (8, 2512060), (10, 2009648), (16, 1256030), (20, 1004824), (23, 873760), (32, 628015), (40, 502412), (43, 467360), (46, 436880), (80, 251206), (86, 233680), (92, 218440), (115, 174752), (127, 158240), (160, 125603), (172, 116840), (184, 109220), (215, 93472), (230, 87376), (254, 79120), (344, 58420), (368, 54610), (430, 46736), (460, 43688), (508, 39560), (635, 31648), (688, 29210), (736, 27305), (860, 23368), (920, 21844), (989, 20320), (1016, 19780), (1270, 15824), (1376, 14605), (1720, 11684), (1840, 10922), (1978, 10160), (2032, 9890), (2540, 7912), (2921, 6880), (3440, 5842), (3680, 5461), (3956, 5080), (4064, 4945)]