20575898

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{751}}^1$

素因数の和:882

約数の個数: 32

約数和(自身を含む): 37539840

約数和(自身を除く): 16963942

約数列:

[1, 2, 7, 14, 19, 38, 103, 133, 206, 266, 721, 751, 1442, 1502, 1957, 3914, 5257, 10514, 13699, 14269, 27398, 28538, 77353, 99883, 154706, 199766, 541471, 1082942, 1469707, 2939414, 10287949, 20575898]

約数ペア:

[(1, 20575898), (2, 10287949), (7, 2939414), (14, 1469707), (19, 1082942), (38, 541471), (103, 199766), (133, 154706), (206, 99883), (266, 77353), (721, 28538), (751, 27398), (1442, 14269), (1502, 13699), (1957, 10514), (3914, 5257)]