20178105424

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{339653}}^1$

素因数の和:339787

約数の個数: 40

約数和(自身を含む): 40432412160

約数和(自身を除く): 20254306736

約数列:

[1, 2, 4, 8, 16, 47, 79, 94, 158, 188, 316, 376, 632, 752, 1264, 3713, 7426, 14852, 29704, 59408, 339653, 679306, 1358612, 2717224, 5434448, 15963691, 26832587, 31927382, 53665174, 63854764, 107330348, 127709528, 214660696, 255419056, 429321392, 1261131589, 2522263178, 5044526356, 10089052712, 20178105424]

約数ペア:

[(1, 20178105424), (2, 10089052712), (4, 5044526356), (8, 2522263178), (16, 1261131589), (47, 429321392), (79, 255419056), (94, 214660696), (158, 127709528), (188, 107330348), (316, 63854764), (376, 53665174), (632, 31927382), (752, 26832587), (1264, 15963691), (3713, 5434448), (7426, 2717224), (14852, 1358612), (29704, 679306), (59408, 339653)]