20138404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 46569600

約数和(自身を除く): 26431196

約数列:

[1, 2, 4, 11, 13, 17, 19, 22, 26, 34, 38, 44, 52, 68, 76, 109, 143, 187, 209, 218, 221, 247, 286, 323, 374, 418, 436, 442, 494, 572, 646, 748, 836, 884, 988, 1199, 1292, 1417, 1853, 2071, 2398, 2431, 2717, 2834, 3553, 3706, 4142, 4199, 4796, 4862, 5434, 5668, 7106, 7412, 8284, 8398, 9724, 10868, 14212, 15587, 16796, 20383, 22781, 24089, 26923, 31174, 35207, 40766, 45562, 46189, 48178, 53846, 62348, 70414, 81532, 91124, 92378, 96356, 107692, 140828, 184756, 264979, 296153, 387277, 457691, 529958, 592306, 774554, 915382, 1059916, 1184612, 1549108, 1830764, 5034601, 10069202, 20138404]

約数ペア:

[(1, 20138404), (2, 10069202), (4, 5034601), (11, 1830764), (13, 1549108), (17, 1184612), (19, 1059916), (22, 915382), (26, 774554), (34, 592306), (38, 529958), (44, 457691), (52, 387277), (68, 296153), (76, 264979), (109, 184756), (143, 140828), (187, 107692), (209, 96356), (218, 92378), (221, 91124), (247, 81532), (286, 70414), (323, 62348), (374, 53846), (418, 48178), (436, 46189), (442, 45562), (494, 40766), (572, 35207), (646, 31174), (748, 26923), (836, 24089), (884, 22781), (988, 20383), (1199, 16796), (1292, 15587), (1417, 14212), (1853, 10868), (2071, 9724), (2398, 8398), (2431, 8284), (2717, 7412), (2834, 7106), (3553, 5668), (3706, 5434), (4142, 4862), (4199, 4796)]