20198696

素因数分解:

$2^3\times 7^1\times {\mathrm{373}}^1\times {\mathrm{967}}^1$

素因数の和:1353

約数の個数: 32

約数和(自身を含む): 43443840

約数和(自身を除く): 23245144

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 373, 746, 967, 1492, 1934, 2611, 2984, 3868, 5222, 6769, 7736, 10444, 13538, 20888, 27076, 54152, 360691, 721382, 1442764, 2524837, 2885528, 5049674, 10099348, 20198696]

約数ペア:

[(1, 20198696), (2, 10099348), (4, 5049674), (7, 2885528), (8, 2524837), (14, 1442764), (28, 721382), (56, 360691), (373, 54152), (746, 27076), (967, 20888), (1492, 13538), (1934, 10444), (2611, 7736), (2984, 6769), (3868, 5222)]