20661472

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{49667}}^1$

素因数の和:49690

約数の個数: 24

約数和(自身を含む): 43807176

約数和(自身を除く): 23145704

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 49667, 99334, 198668, 397336, 645671, 794672, 1291342, 1589344, 2582684, 5165368, 10330736, 20661472]

約数ペア:

[(1, 20661472), (2, 10330736), (4, 5165368), (8, 2582684), (13, 1589344), (16, 1291342), (26, 794672), (32, 645671), (52, 397336), (104, 198668), (208, 99334), (416, 49667)]