20789968628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{677}}^1\times {\mathrm{1451}}^1$

素因数の和:2193

約数の個数: 96

約数和(自身を含む): 43993369728

約数和(自身を除く): 23203401100

約数列:

[1, 2, 4, 11, 13, 22, 26, 37, 44, 52, 74, 143, 148, 286, 407, 481, 572, 677, 814, 962, 1354, 1451, 1628, 1924, 2708, 2902, 5291, 5804, 7447, 8801, 10582, 14894, 15961, 17602, 18863, 21164, 25049, 29788, 31922, 35204, 37726, 50098, 53687, 63844, 75452, 96811, 100196, 107374, 193622, 207493, 214748, 275539, 325637, 387244, 414986, 551078, 590557, 651274, 697931, 829972, 982327, 1102156, 1181114, 1302548, 1395862, 1964654, 2362228, 2791724, 3582007, 3929308, 7164014, 7677241, 10805597, 12770251, 14328028, 15354482, 21611194, 25540502, 30708964, 36346099, 43222388, 51081004, 72692198, 140472761, 145384396, 280945522, 399807089, 472499287, 561891044, 799614178, 944998574, 1599228356, 1889997148, 5197492157, 10394984314, 20789968628]

約数ペア:

[(1, 20789968628), (2, 10394984314), (4, 5197492157), (11, 1889997148), (13, 1599228356), (22, 944998574), (26, 799614178), (37, 561891044), (44, 472499287), (52, 399807089), (74, 280945522), (143, 145384396), (148, 140472761), (286, 72692198), (407, 51081004), (481, 43222388), (572, 36346099), (677, 30708964), (814, 25540502), (962, 21611194), (1354, 15354482), (1451, 14328028), (1628, 12770251), (1924, 10805597), (2708, 7677241), (2902, 7164014), (5291, 3929308), (5804, 3582007), (7447, 2791724), (8801, 2362228), (10582, 1964654), (14894, 1395862), (15961, 1302548), (17602, 1181114), (18863, 1102156), (21164, 982327), (25049, 829972), (29788, 697931), (31922, 651274), (35204, 590557), (37726, 551078), (50098, 414986), (53687, 387244), (63844, 325637), (75452, 275539), (96811, 214748), (100196, 207493), (107374, 193622)]