20793145884

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{579713}}^1$

素因数の和:579795

約数の個数: 72

約数和(自身を含む): 57363859728

約数和(自身を除く): 36570713844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 61, 84, 98, 122, 147, 183, 196, 244, 294, 366, 427, 588, 732, 854, 1281, 1708, 2562, 2989, 5124, 5978, 8967, 11956, 17934, 35868, 579713, 1159426, 1739139, 2318852, 3478278, 4057991, 6956556, 8115982, 12173973, 16231964, 24347946, 28405937, 35362493, 48695892, 56811874, 70724986, 85217811, 106087479, 113623748, 141449972, 170435622, 212174958, 247537451, 340871244, 424349916, 495074902, 742612353, 990149804, 1485224706, 1732762157, 2970449412, 3465524314, 5198286471, 6931048628, 10396572942, 20793145884]

約数ペア:

[(1, 20793145884), (2, 10396572942), (3, 6931048628), (4, 5198286471), (6, 3465524314), (7, 2970449412), (12, 1732762157), (14, 1485224706), (21, 990149804), (28, 742612353), (42, 495074902), (49, 424349916), (61, 340871244), (84, 247537451), (98, 212174958), (122, 170435622), (147, 141449972), (183, 113623748), (196, 106087479), (244, 85217811), (294, 70724986), (366, 56811874), (427, 48695892), (588, 35362493), (732, 28405937), (854, 24347946), (1281, 16231964), (1708, 12173973), (2562, 8115982), (2989, 6956556), (5124, 4057991), (5978, 3478278), (8967, 2318852), (11956, 1739139), (17934, 1159426), (35868, 579713)]