20455888908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{985921}}^1$

素因数の和:985967

約数の個数: 96

約数和(自身を含む): 61837027840

約数和(自身を除く): 41381138932

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 52, 57, 76, 78, 84, 91, 114, 133, 156, 182, 228, 247, 266, 273, 364, 399, 494, 532, 546, 741, 798, 988, 1092, 1482, 1596, 1729, 2964, 3458, 5187, 6916, 10374, 20748, 985921, 1971842, 2957763, 3943684, 5915526, 6901447, 11831052, 12816973, 13802894, 18732499, 20704341, 25633946, 27605788, 37464998, 38450919, 41408682, 51267892, 56197497, 74929996, 76901838, 82817364, 89718811, 112394994, 131127493, 153803676, 179437622, 224789988, 243522487, 262254986, 269156433, 358875244, 393382479, 487044974, 524509972, 538312866, 730567461, 786764958, 974089948, 1076625732, 1461134922, 1573529916, 1704657409, 2922269844, 3409314818, 5113972227, 6818629636, 10227944454, 20455888908]

約数ペア:

[(1, 20455888908), (2, 10227944454), (3, 6818629636), (4, 5113972227), (6, 3409314818), (7, 2922269844), (12, 1704657409), (13, 1573529916), (14, 1461134922), (19, 1076625732), (21, 974089948), (26, 786764958), (28, 730567461), (38, 538312866), (39, 524509972), (42, 487044974), (52, 393382479), (57, 358875244), (76, 269156433), (78, 262254986), (84, 243522487), (91, 224789988), (114, 179437622), (133, 153803676), (156, 131127493), (182, 112394994), (228, 89718811), (247, 82817364), (266, 76901838), (273, 74929996), (364, 56197497), (399, 51267892), (494, 41408682), (532, 38450919), (546, 37464998), (741, 27605788), (798, 25633946), (988, 20704341), (1092, 18732499), (1482, 13802894), (1596, 12816973), (1729, 11831052), (2964, 6901447), (3458, 5915526), (5187, 3943684), (6916, 2957763), (10374, 1971842), (20748, 985921)]