20219883019

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1\times {\mathrm{1877}}^1$

素因数の和:2307

約数の個数: 32

約数和(自身を含む): 23884554240

約数和(自身を除く): 3664671221

約数列:

[1, 7, 47, 137, 239, 329, 959, 1673, 1877, 6439, 11233, 13139, 32743, 45073, 78631, 88219, 229201, 257149, 448603, 617533, 1538921, 1800043, 3140221, 10772447, 12086003, 21084341, 61458611, 84602021, 147590387, 430210277, 2888554717, 20219883019]

約数ペア:

[(1, 20219883019), (7, 2888554717), (47, 430210277), (137, 147590387), (239, 84602021), (329, 61458611), (959, 21084341), (1673, 12086003), (1877, 10772447), (6439, 3140221), (11233, 1800043), (13139, 1538921), (32743, 617533), (45073, 448603), (78631, 257149), (88219, 229201)]