20459656

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 48837600

約数和(自身を除く): 28377944

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 41, 49, 56, 67, 76, 82, 98, 133, 134, 152, 164, 196, 266, 268, 287, 328, 392, 469, 532, 536, 574, 779, 931, 938, 1064, 1148, 1273, 1558, 1862, 1876, 2009, 2296, 2546, 2747, 3116, 3283, 3724, 3752, 4018, 5092, 5453, 5494, 6232, 6566, 7448, 8036, 8911, 10184, 10906, 10988, 13132, 16072, 17822, 19229, 21812, 21976, 26264, 35644, 38171, 38458, 43624, 52193, 62377, 71288, 76342, 76916, 104386, 124754, 134603, 152684, 153832, 208772, 249508, 269206, 305368, 365351, 417544, 499016, 538412, 730702, 1076824, 1461404, 2557457, 2922808, 5114914, 10229828, 20459656]

約数ペア:

[(1, 20459656), (2, 10229828), (4, 5114914), (7, 2922808), (8, 2557457), (14, 1461404), (19, 1076824), (28, 730702), (38, 538412), (41, 499016), (49, 417544), (56, 365351), (67, 305368), (76, 269206), (82, 249508), (98, 208772), (133, 153832), (134, 152684), (152, 134603), (164, 124754), (196, 104386), (266, 76916), (268, 76342), (287, 71288), (328, 62377), (392, 52193), (469, 43624), (532, 38458), (536, 38171), (574, 35644), (779, 26264), (931, 21976), (938, 21812), (1064, 19229), (1148, 17822), (1273, 16072), (1558, 13132), (1862, 10988), (1876, 10906), (2009, 10184), (2296, 8911), (2546, 8036), (2747, 7448), (3116, 6566), (3283, 6232), (3724, 5494), (3752, 5453), (4018, 5092)]