20131340994

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{7643}}^1$

素因数の和:7957

約数の個数: 80

約数和(自身を含む): 45950224320

約数和(自身を除く): 25818883326

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 229, 426, 458, 639, 687, 1278, 1374, 1917, 2061, 3834, 4122, 5751, 6183, 7643, 11502, 12366, 15286, 16259, 18549, 22929, 32518, 37098, 45858, 48777, 68787, 97554, 137574, 146331, 206361, 292662, 412722, 438993, 542653, 619083, 877986, 1085306, 1238166, 1316979, 1627959, 1750247, 2633958, 3255918, 3500494, 4883877, 5250741, 9767754, 10501482, 14651631, 15752223, 29303262, 31504446, 43954893, 47256669, 87909786, 94513338, 124267537, 141770007, 248535074, 283540014, 372802611, 745605222, 1118407833, 2236815666, 3355223499, 6710446998, 10065670497, 20131340994]

約数ペア:

[(1, 20131340994), (2, 10065670497), (3, 6710446998), (6, 3355223499), (9, 2236815666), (18, 1118407833), (27, 745605222), (54, 372802611), (71, 283540014), (81, 248535074), (142, 141770007), (162, 124267537), (213, 94513338), (229, 87909786), (426, 47256669), (458, 43954893), (639, 31504446), (687, 29303262), (1278, 15752223), (1374, 14651631), (1917, 10501482), (2061, 9767754), (3834, 5250741), (4122, 4883877), (5751, 3500494), (6183, 3255918), (7643, 2633958), (11502, 1750247), (12366, 1627959), (15286, 1316979), (16259, 1238166), (18549, 1085306), (22929, 877986), (32518, 619083), (37098, 542653), (45858, 438993), (48777, 412722), (68787, 292662), (97554, 206361), (137574, 146331)]