163923020

素因数分解:

$2^2\times 5^1\times {\mathrm{1951}}^1\times {\mathrm{4201}}^1$

素因数の和:6161

約数の個数: 24

約数和(自身を含む): 344496768

約数和(自身を除く): 180573748

約数列:

[1, 2, 4, 5, 10, 20, 1951, 3902, 4201, 7804, 8402, 9755, 16804, 19510, 21005, 39020, 42010, 84020, 8196151, 16392302, 32784604, 40980755, 81961510, 163923020]

約数ペア:

[(1, 163923020), (2, 81961510), (4, 40980755), (5, 32784604), (10, 16392302), (20, 8196151), (1951, 84020), (3902, 42010), (4201, 39020), (7804, 21005), (8402, 19510), (9755, 16804)]