20199997426

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{2399}}^1$

素因数の和:2719

約数の個数: 64

約数和(自身を含む): 36130406400

約数和(自身を除く): 15930408974

約数列:

[1, 2, 7, 14, 43, 71, 86, 142, 197, 301, 394, 497, 602, 994, 1379, 2399, 2758, 3053, 4798, 6106, 8471, 13987, 16793, 16942, 21371, 27974, 33586, 42742, 59297, 97909, 103157, 118594, 170329, 195818, 206314, 340658, 472603, 601441, 722099, 945206, 1192303, 1202882, 1444198, 2384606, 3308221, 4210087, 6616442, 7324147, 8420174, 14648294, 20321929, 33554813, 40643858, 51269029, 67109626, 102538058, 142253503, 234883691, 284507006, 469767382, 1442856959, 2885713918, 10099998713, 20199997426]

約数ペア:

[(1, 20199997426), (2, 10099998713), (7, 2885713918), (14, 1442856959), (43, 469767382), (71, 284507006), (86, 234883691), (142, 142253503), (197, 102538058), (301, 67109626), (394, 51269029), (497, 40643858), (602, 33554813), (994, 20321929), (1379, 14648294), (2399, 8420174), (2758, 7324147), (3053, 6616442), (4798, 4210087), (6106, 3308221), (8471, 2384606), (13987, 1444198), (16793, 1202882), (16942, 1192303), (21371, 945206), (27974, 722099), (33586, 601441), (42742, 472603), (59297, 340658), (97909, 206314), (103157, 195818), (118594, 170329)]